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electronic service manual nissan primera p11

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electronic service manual nissan primera p11System of CVT and Engine.5. Precautions.5. Service Notice or Precautions.6. Wiring Diagrams and Trouble Diagnosis.7Circuit Diagram.10. Cross-sectional View - RE0F06A.11. Control System.12OBD Function for CVT System.15. OBD Diagnostic Trouble Code (DTC).15. Malfunction Indicator (MI).18Work Flow.32Stall Test.34. Line Pressure Test.35. Road Test.36Diagnostic Procedure.51. Component Inspection.53Wiring Diagram - AT - FTS.56. Diagnostic Procedure.57Diagnostic Procedure.61. Component Inspection.61Diagnostic Procedure.65. Component Inspection.65Wiring Diagram - AT - ENGSS.67. Diagnostic Procedure.68Wiring Diagram - AT - TCV.71. Diagnostic Procedure.72. Component Inspection.73Diagnostic Procedure.77. Component Inspection.78Wiring Diagram - AT - TPS.81. Diagnostic Procedure.82. Component Inspection.85Wiring Diagram - AT - STM.88. Diagnostic Procedure.89. Component Inspection.90Diagnostic Procedure.93Wiring Diagram - AT - FPS.96. Diagnostic Procedure.97. Component Inspection.98Diagnostic Procedure.100Diagnostic Procedure.102Diagnostic Procedure.104Position Switch.105. Wiring Diagram - AT - NONDTC.110Differential Side Oil Seal Replacement.114Inspection.116. Installation.117. Air Breather Hose.118. CVT Fluid Cooler (Hyper CVT-M6).118. Components.119Stall Revolution.120. Line Pressure.120. Removal and Installation.120Reference pagePrecautions for Supplemental Restraint SystemSupplemental Restraint System consists of air bag modules (located in the center of the steering wheel andIn addition to the supplemental air bag modules for a frontal collision, the supplemental side air bag used alongThe supplemental side air bag consists of air bag modules (located in the outer side of front seats),InformationI Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. I Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this. Service Manual.http://xn--80adic7alej3d.xn--p1ai/userfiles/deep-sea-5220-controller-manual.xml

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SRS wiring harnesses (except “SEAT BELT PRE-TENSIONER” connector) can bePrecautions for On Board Diagnostic (OBD). System of CVT and EngineIt will light up the malfunction indicator (MI) to warn the driverI Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector willI Be sure to route and secure the harnesses properly after work. Interference of the harness with aI Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tubeI Be sure to erase the unnecessary malfunction information (repairs completed) from the TCM and. ECM before returning the vehicle to the customer. PrecautionsFailure to do so may damage the. TCM. Because battery voltage is applied to TCM even ifMake sure that there are not any bends or breaks on TCMThe DTC should not be displayed in the “DTC CONFIRMATION PROCEDURE” if the repair is completed.Extreme care should be taken to avoid damage to O-rings,When the CVT drain plug is removed, only some of the fluid isAlways follow the procedures under “Changing CVT Fluid” inThis allows the vehicle to be driven even if a major. Under Fail-Safe, the vehicle always runs even with a shift lever position of “L” or “D”. The customer may complain of sluggish or poor acceleration. When the ignition key is turned “ON” following Fail-Safe operation, CVT or SPORT indicator lamp blinks for. Fail-Safe may occur without electrical circuit damage if the vehicle is driven under extreme conditions (suchTo recover normal shift pattern, turn the ignition keyThe blinking of the CVT or SPORT indicator lamp for about 8 seconds will appear only once and be cleared. The customer may resume normal driving conditions. Always follow the “WORK FLOW” (Refer to AT-32). The SELF-DIAGNOSIS results will be as follows. The first SELF-DIAGNOSIS will indicate damage to the vehicle speed sensor or the revolution sensor. During the next SELF-DIAGNOSIS, performed after checking the sensor, no damages will be indicated.http://www.seaessential.it/public/deep-sea-5220-manual.xmlThe results can be read throughRefer to the table on AT-19 for the indicator used toI The self-diagnostic results indicated by the MI are automatically stored in both the ECM and TCM memories. Always perform the procedure “HOW TO ERASE DTC” on AT-16 to complete the repair and avoidFor details of OBD, refer to EC section (“ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION”). I Certain systems and components, especially those related to OBD, may use a new style slidelocking type harness connector. For description and how to disconnect, refer to EL section, “Description”, “HARNESS CONNECTOR”. Wiring Diagrams and Trouble Diagnosis. When you read wiring diagrams, refer to the followings. I “HOW TO READ WIRING DIAGRAMS” in GI section. I “POWER SUPPLY ROUTING” for power distribution circuit in EL section. When you perform trouble diagnosis, refer to the followings. I “HOW TO FOLLOW TEST GROUP IN TROUBLE DIAGNOSIS” in GI section. I “HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT” in GI sectionSpecial Service Tools. Tool number. Tool nameMeasuring line pressure and governor pressureInstalling differential side oil sealInstalling differential side oil sealCVT Electrical Parts Location. Steering columnFrontCVT indicator lamp. Secondary speed sensor. PNP switch. Control valve connector. SPORT mode switch. DroppingInside control valve. Fluid temperature sensor. Fluid pressure sensor. Lock-up solenoid. Line pressure solenoid. Step motor. Manual mode switch. Primary speed sensorCircuit DiagramCross-sectional View — RE0F06AReverse brake. Primary pulley. Planet carrier. Oil pump. Forward clutch. Torque converter. Steel belt. Sun gear. Input shaft. Side cover. Internal gear. Parking gear. Output gear. Taper roller bearing. Reduction gear. Idler gear. Speedometer drive gear. Secondary pulley. Differential case. Final gearControl SystemIt always controls the optimum shiftThrottle position sensor. Closed throttle position switch. Wide open throttle position switch.http://afreecountry.com/?q=node/4353 Engine speed signal. CVT fluid temperature sensor. CVT fluid pressure sensor. Primary speed sensor. Stop lamp switch. Sport mode switch (Hyper CVTIndicator control unit (Hyper CVT. M6 only). ABS control unit. Shift control. Line pressure control. Lock-up control. Fail-safe control. Self-diagnosis. CONSULT-II communication lineDuet-EU control. On board diagnosisCVT indicator (warning) lampTorque converter clutchLine pressure solenoid valve. SPORT indicator lamp (Hyper. CVT only)Wheel. DifferentialBelt and. Pulley. Final gear. Forward andTorqueEngine. ParkingOil pressure control. Control device. Electrical control. Sport mode SW orControl valve. Engine speed sensor. Primary pulleyPositionThrottleCVT indicatorSPORT indicator lampOil system. Electrical system. Stop lamp SW. PNP switchI Receive input signals sent from various switches and sensors. I Determine required line pressure, shifting point and lock-up operation. I Send required output signals to the step motor and the respective solenoids.Input. Output. Function. Detects select lever position and sends a signal to TCM. Throttle position sensor. Detects throttle valve position and sends a signal to TCM. Detects throttle valve’s fully-closed position and sends a signal to TCM. Wide open throttle position switchEngine speed signal. From ECM. Detects transmission fluid temperature and sends a signal to TCM. Detects transmission fluid pressure and sends a signal to TCM. Detects primary pulley rpm and sends a signal to TCM. Detects secondary pulley rpm and sends a signal to TCM. Sends a signal to the TCM relaying the operation condition of the brakeSport mode switch. Sends a signal to the TCM relaying the operation condition of the sportSends a signal to the TCM operation condition of the manual mode switchABS control unit. Sends a signal to the TCM operation condition of the ABS. Regulates pulley position in relation to a signal sent from TCM. Line pressure solenoid valve.http://www.petrokood.com/images/84-corvette-service-manual.pdf Regulates (or decreases) line pressure suited to driving conditions in relation to a signal sent from TCM. Torque converter clutch solenoidRegulates (or decreases) lock-up pressure suited to driving conditions inShows TCM faults, when CVT control components malfunction. Receives the information of gear position on manual mode from TCM, andIntroductionThe first is the emission-related on board diagnostic system (OBD) performed by the TCM in combination withThe second is the TCM original self-diagnosis indicated by the CVT indicator (warning) lamp or SPORT indicator lamp. The malfunction is stored in the TCM memory. The detected items are overlapped with OBD selfdiagnostic items. For detail, refer to AT-26. OBD Function for CVT SystemOne functionThe signal is sent to the. ECM when a malfunction occurs in the corresponding OBD-related part. The other function is to indicate aSensors, switches andThe MI automatically illuminates in Two Trip Detection Logic when a malfunction is sensed in relation to CVTOBD Diagnostic Trouble Code (DTC)These DTCs are controlled by NISSAN. GST) CONSULT-II or GST (Generic Scan Tool) Examples: P0705, P0710,P0720, P0725, etc. These DTCs are prescribed by ISO15031-6.I 1st trip DTC No. is the same as DTC No. I Output of the diagnostic trouble code indicates that the indicated circuit has a malfunction. However, in case of the Mode II and GST they do not indicate whether the malfunction is stillCONSULT-II can identify them as shown below. Therefore, using CONSULT-II (if available) is recommended. A sample of CONSULT-II display for DTC is shown at left. DTC or 1st trip DTC of a malfunction is displayedTime data indicates how many timesData which are stored in the ECM memory, along with the 1st trip DTC, are called 1st trip freeze frame data,Only one set of freeze frame data (either 1st trip freeze frame data of freeze frame data) can be stored in the. ECM. 1st trip freeze frame data is stored in the ECM memory along with the 1st trip DTC. There is no priority for 1st trip freeze frame data and it is updated each time a different 1st trip DTC is detected. However, onceThe ECM has the following priorities to update the data. PriorityFreeze frame dataFuel Injection System Function — DTC: P0171 (0171), P0172 (0172), P0174 (0174), P0175Both 1st trip freeze frame data and freeze frame data (along with the DTCs) are cleared when the ECMI If the battery terminal is disconnected, the diagnostic trouble code will be lost within 24 hours. I When you erase the DTC, using CONSULT-II or GST is easier and quicker than switching the modeThe following emission-related diagnostic information is cleared from the ECM memory when erasing DTCI 1st trip diagnostic trouble codes (1st trip DTC). I Freeze frame data. I 1st trip freeze frame data. I System readiness test (SRT) codes. I Test values. I Distance traveled while MI is activated. I OthersWait at leastHow to erase DTC (With CONSULT-II)Wait at least 5 seconds and then turn it “ON” (engineTouchECM will be erased.)Wait at leastRefer to AT-25. (The engine warm-up stepFor details, refer to EC section “Generic Scan Tool (GST)”.Wait at leastRefer to AT-25. (The engine warm-up stepRefer to EC section “HOW TO SWITCH DIAGNOSTIC TEST MODES”. Malfunction Indicator (MI)This is for checkingIf the lamp remains on, the on board diagnostic system hasFor detail,Reference pages are provided following the items.If CVT is not displayed, check TCM power supply and groundDisplay shows malfunction experienced since the last erasingCONSULT-II performs REAL-TIME SELF-DIAGNOSIS. Also, any malfunction detected while in this mode will be displayed at real time.CVT or SPORTAvailable byDIAGNOSIS” test mode). Malfunction is detected when.Primary speed sensorThrottle position switchI TCM detects an improper voltage dropI TCM detects an improper voltage dropI TCM receives an excessively low orTCM self-diagnosisCVT or SPORTAvailable byI TCM does not receive the proper voltage signal from the ECM.DIAGNOSIS” test mode). Malfunction is detected when.I No failure has been detected. X: ApplicableItem. Display. Vehicle speed sensorThrottle position sensor. CVT fluid temperatureD position switch. Sport mode switch. L position switch. Closed throttle positionMainDescription. Remarks. I Vehicle speed computed from signal ofWhen racing engine in “N”I Signal voltage lowersEngine speed display maySW, is displayed.Monitor item. Item. Gear position. Description. RemarksTCM, is displayed.I A specific value used forTCM, is displayed.I Throttle position data,TCM, is displayed.Vehicle speed. Throttle position. Line pressure duty. Torque converter clutchMainI Control status of. SPORT or CVT indicator lamp is displayed.Secondary pulley speedStop lamp switchABS signal. Manual mode switchMonitor item. Non-manual mode switch. Up switch. Down switch. Step motor coil A. Step motor coil B. Step motor coil C. Step motor coil D. DisplayTCM is displayed.TCM is displayed.Step 2Remarks. MainCVT ratio. Pulley rpm?in 2. TCM inputConnect CONSULT-II to Data link connector. Data link connector is located in left side dash panel. Turn ignition switch “ON”.Touch “START”.OFF: Engine brake level control is disactivated.However, do notPreparationContinuity should exist.Then increase vacuumON, and verify that the CVT warning lamp turns on for aboutJudgement of Self-diagnosis CodeSelf diagnosisStart signal 10 judgement flickers. Light. Shade. ShadeSecondary speed sensor (VEHICLE SPEED SENSOR CVT) circuit is short-circuited or disconnected.Light. ShadeThrottle position sensor circuit is short-circuited or disconnected.Self diagnosisLight. ShadeLight. ShadeSelf diagnosisLight. ShadeFlickers as shown below. ShadeBattery has been disconnected for a long time. Battery is connected conversely.Lamp does not come on. Self diagnosisLight. ShadeIntroduction. SensorsThe TCM also communicates with the ECM by means of a signalCVT system for malfunction-diagnostic purposes. The TCM isInput and output signals must always be correct and stable in theThe CVT system must be in goodIt is much more difficult to diagnose a problem that occurs intermittently rather than continuously. Most intermittent problems areA visual check only may not find the cause of the problems. A roadRefer to AT-32. Before undertaking actual checks, take a few minutes to talk withThe customer can supply good information about such problems, especially intermittent ones. Find out what symptoms are present andA “Diagnostic Worksheet” like theStart your diagnosis by looking for “conventional” problems first. This will help troubleshoot driveability problems on an electronicallyAlso check related Service bulletins for information.WHERE. Road conditions. HOW. Operating conditions, Symptoms. Customer nameEngine. Mileage. Incident Date. Manuf. Date. In Service Date. FrequencySymptomsBlinks for about 8 seconds.Malfunction indicator (MI)Diagnostic WorksheetPNP switch, AT-48. CVT fluid temperature sensor, AT-54. Vehicle speed sensor (Secondary speed sensor), AT-62. Engine speed signal, AT-66. Torque converter clutch solenoid valve, AT-69. Line pressure solenoid valve, AT-74. Step motor, AT-86, 91. CVT fluid pressure sensor, AT-94. Throttle position sensor, AT-79. Stop lamp and throttle position switches. CVT fluid temperature sensor and TCM power source, AT-54. Primary speed sensor, AT-59. PNP switch, stop lamp switch, throttle position switch AT-105. Battery. OthersRepair or replace the damaged parts.Repair or replace the damagedRefer to the Symptom Chart when you perform the procedures. (The chart also shows some other possibleWork FlowIt is important to fully understand the symptoms orMake good use of the two sheets provided, “INFORMATION FROM CUSTOMER” (AT-30) and “DIAGNOSTIC WORKSHEET” (AT-31), to perform the best troubleshooting possible.No NG item or NG itemsDTC or TCM self-diagnosticProceed if self-diagnosis detects no malfunction.INSPECTION and DTC CONFIRMATION PROCEDURE. Then,CVT Fluid CheckStart engine, apply foot brake, place selector lever in “D” position and wait a few minutes. Stop engine.Dark or black with burned odor. Wear of frictional material. Milky pink. Water contamination — Road waterVarnished fluid, light to dark brown and Oxidation — Over or under filling, —OverheatingIf necessary, add. Drive vehicle for approx. 10 minutes or until engine oil and CVTCVT fluid operating temperature:Install a tachometer where it can be seen by driver during test. It is good practice to mark the point of specified engineAccelerate to wide open throttle gradually while applying footQuickly note the engine stall revolution and immediatelyDuring test, never hold throttle wide open for more than 5Stall revolution:Cool off CVT fluid. Run engine at idle for at least one minute.I Always replace pressure plugs as they are self-sealingLine pressure test portIf necessary, add fluidDrive vehicle for approx. 10 minutes or until engine oil and CVTCVT fluid operating temperature:Continue to depress brake pedal fully while line pressureWhen measuring line pressure at stall speed, follow theLine pressure: Refer to SDS, AT-120.CVT and analyze causes of problems. The road test consists of the following three parts. Check before engine is started. Cruise testConduct tests on all items until specified symptom is found. Troubleshoot items which check out No Good after road test. Refer to “ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION” and “TROUBLE DIAGNOSIS FOR SYMPTOMS”. AT-15, AT-26 and AT-110.SPORT orWait at least 5 seconds.Yes or No. YesStop ROAD TEST.Yes or No. Yes. Perform self-diagnosis and check NG items on the DIAGNOSTIC WORKSHEET, AT-31. Refer to TCM SELF-DIAGNOSIS PROCEDURE (NO TOOLS), AT-25. NoRefer to TCM SELF-DIAGNOSIS PROCEDURE (NO TOOLS), AT-25.Print the result and ensure that shifts and lock-ups take placeCONSULT-II Setting Procedure. Data link connectorConnect CONSULT-II to Data link connector. Data link connector is located in left side dash panel.Touch “START”.See “Numerical Display”, “Barchart Display” or “Line Graph. Display”. Touch “START”.Refer to “Road Test”, AT-36.TCM Terminals and Reference ValueTerminalTerminal. No.Item. JudgementCondition. When releasing accelerator pedalLine pressureApprox. 2.8V. When depressing accelerator pedal. Approx. 1.4VWhen releasing accelerator pedalLine pressureApprox. 11.0V. Approx. 4.0VTorque converterWhen CVT performs lock-up. Approx. 12.0V. When CVT does not perform lockup. Approx. 0VWhen turning ignition switch toPower sourceTerminal. No. Wire colorStep motor A. Step motor BABS control unit. When driving slowly. Change 0 Battery voltage. Same as No. 10. Step motor CBattery voltagePower sourceWide openWhen CVT or SPORT indicatorWhen releasing accelerator pedalClosed throttleI CONSULT-II cable connected to data link connector.I This inspection cannot be measured by circuit tester. CVT or SPORTJudgementCondition. Battery voltage. Approx. 0VWithin 2 seconds after key switch “ON”, the time measurement byI CONSULT-II cable connected to data link connector.I This inspection cannot be measured by circuit tester. When SPORT mode switch in “ON”. Approx. 0VSport modeWhen SPORT mode switch inApprox. 10V. When ABS operates. Approx. 0V. When ABS does not operate.GroundPNP switch “L”When setting selector lever to other. Approx. 0VTerminal. Power sourceJudgementCondition. When turning ignition switch toWhen turning ignition switch toSecondary speed using the pulse measurement function of CONSULT-II.I CONSULT-II cable connected to data link connector. I This inspection cannot be measured by circuit tester.Indicator controlApprox. 600 Hz. When turning ignition switch toWhen setting selector lever to anyBattery voltage. When setting selector lever to other. Approx. 0VWhen setting selector lever to “R”PNP switch “R”Battery voltage. Approx. 0VWhen setting selector lever to “N”PNP switch “N”Battery voltage. Approx. 0VWhen engine runs at idle speed. Approx. 1.0V. When engine runs at stall speed. Approx. 4.0V.0 ) out of 5 stars Too many problems June 21, 2020 Still having a hard time resetting personal code. See more Reviewed by Charmaine Charmaine Helpful. Yes ( 0 ) No ( 0 ) Report Average Rating: ( 3.0 ) out of 5 stars February 26, 2019 It's fine, but I wish it were fireproof. It will serve the purpose for now. See more Reviewed by Nelly Nelly Helpful. Yes ( 0 ) No ( 0 ) Report Average Rating: ( 1.0 ) out of 5 stars Beware of the item August 29, 2019 Terrible experience. From delivery to opening the package this item was horrible. I would not recommend this product or ordering anything like this online. See more Reviewed by Will Will Helpful. Yes ( 0 ) No ( 0 ) Report Average Rating: ( 5.0 ) out of 5 stars April 18, 2020 Verified purchase Reviewed by WalmartCustomer WalmartCustomer Helpful. Yes ( 0 ) No ( 0 ) Report Average Rating: ( 5.0 ) out of 5 stars July 8, 2020 Verified purchase Reviewed by Shalonda Shalonda Helpful. Yes ( 0 ) No ( 0 ) Report Average Rating: ( 5.0 ) out of 5 stars April 26, 2020 Reviewed by carissa carissa Helpful. Yes ( 0 ) No ( 0 ) Report Average Rating: ( 5.0 ) out of 5 stars November 18, 2019 Reviewed by Roscoe Roscoe Helpful. Ask a question Ask a question If you would like to share feedback with us about pricing, delivery or other customer service issues, please contact customer service directly. Report by daciagirl April 1, 2018 Answer this question 1 Answer 1. No, it's not fireproof.Yes ( 0 ) No ( 0 ) Report 1 Answer 1 Answer Last answer: April 15, 2019 What is zimtown electronic safe customers service number Report by Monique July 31, 2020 Answer this question 0 Answers 0 0 Answers 0 Answers 0 Can you change the digital combination. So if you find a current lower price from an online retailer on an identical, in-stock product, tell us and we'll match it. See more details at Online Price Match.All Rights Reserved. To ensure we are able to help you as best we can, please include your reference number: Feedback Thank you for signing up. You will receive an email shortly at: Here at Walmart.com, we are committed to protecting your privacy. Your email address will never be sold or distributed to a third party for any reason. If you need immediate assistance, please contact Customer Care. Thank you Your feedback helps us make Walmart shopping better for millions of customers. OK Thank you! Your feedback helps us make Walmart shopping better for millions of customers. Sorry. We’re having technical issues, but we’ll be back in a flash. Done. Always check the expiration of the same. Finally, if it does not open, contact the Assistance Service. The furniture safes are very simple to install, fixing is done by special screws which make the removal extremely difficult. However, manipulation requires a certain manuality, in particular for the change of the combination. For better security, it is preferable to change the combination regularly and we suggest to set a personal code different from the original one. The wall thickness must be at least 10 centimeters more than the depth of the safe. The recessed hole must be wider of a few centimeters than the safe to be installed. The execution of a good masonry increases safety. Finally fill the remaining spaces. Wait for the complete drying, leaving the safe door open The installation requires just a few minutes and it’s done through the holes on the back or bottom, using the most appropriate plugs. Do not place the safe with the door facing backwards (correct opening direction: from right to left) Maggiori informazioni sono disponibili al link Privacy. Read below for a list of different locks and how to change their combinations. With the door open, put the safe in the locked position by turning the handle clockwise. You should be able to see the bolts on the safe door. You will hear a double beep. You will hear another double beep. You will once again hear a double beep. Keeping the door pulled open, put the safe in the locked position by turning the handle clockwise. You should be able to see the bolts on the safe door. With the door open, put the safe in the locked position by turning the handle clockwise. You should be able to see the bolts on the safe door. With the door open, put the safe in the locked position by turning the handle clockwise. You should be able to see the bolts on the safe door. With the door open, put the safe in the locked position by turning the handle clockwise. You should be able to see the bolts on the safe door. You will hear a double beep. You will once again hear a double beep. You will hear another double beep. If so, click here. The dish washer has the same issue. Can you help with the gun safe. The combinations isn’t working. How do I reset it or otherwise fix it. Help please Please try changing the battery. Make sure to use an all alkaline duracell battery with an expiration date that is at least 5 years in the future. If this does not work please contact us via the live chat feature on the home page of the website or call our Customer Service team at 800-242-1055 The serial number is behind the wall so I have to open up the wall to get at it, but the old owners said they don’t have the combo but it’s empty. How do I get it open to reprogram it. I have no receipt, and the safe is the touch button style. Help I would like to use it. Sorry we can’t help. How do i know which lock i do have? Thanks They will be able to help you figure this out! Thanks The lock just beeps and will not take codes. We changed batteries. It still beeps There are a few different ways to contact them: Live chat which can be found on the website, calling them at 800-242-1055, or filling out this form Thank you! Thanks 800-242-1055 Had to change battery and now code does not work. It beeps twice telling me that I have the right code but will not open. If the battery is not all alkaline there may not be enough power to open the locking mechanism. If this does not work please contact us via live chat on the website or by calling 800-242-1055 Thank you I am concerned with the electronic lock, I am afraid I will lock and it will fail and I will not be able to get in to the safe. What do you do in this situation. I like the safe but with no key override if it fails your stuck! Electronic locks provide faster access in the case of an emergency and the fail rate is actually extremely rare and unlikely. As long as you keep up to date with changing your battery you shouldn’t have an issue. For batteries we recommend an all alkaline Duracell or Energizer battery with an expiration date of 5 years in the future. If however your electronic lock does fail your Cannon warranty covers you on parts for the lifetime of the safe and for one year on locksmiths and labor. We hope this can help ease your mind! To make a long story short my wife called downstairs for dinner, I closed the door and decided to change my code after dinner and load my contents. After dinner guess what!!! The default code would not work. I have tried all I could to reopen with no success. The nearest Locksmith is at least 50 miles away and quoted me far more than I no the safe is worth (16 Gun Safe). I cannot locate manufacturer anywhere on line or any info on how I can open this horror. Please advise, any help would be appreciated. However our Customer Service team believes that it could potentially be a Stack-On model. Cannon recently acquired Stack-On so our team is reaching out to their Customer Service Department to verify whether or not it is their product. If it is, we will reach out to you via email. Otherwise, I would suggest calling the store you purchased the safe from and asking them. The store managers or associates typically know simple instructions for the safes they sell. Thanks!