PLATE 2567875 - Caterpillar

Antitheft Isolation Relay Failure
After successful Keypad unlock, engine will not crank, or run.The antitheft isolator relays may not be operating correctly, Refer to trouble shooting guide.
Antitheft relay 1 controls the engine crank solenoid
Antitheft relay 2 controls the engine fuel supply.Machine Configuration Mismatch
The Keypad has detected an incorrect machine control ECM or incorrect engine configuration compared to the original configuration code setting.
Keypad has been swapped to or from another machine
Keypad machine system configuration identity code is incorrect, refer to table definitions
Table 4
Keypad Retrofit
Configuration Code Number Machine Configuration
1 BHL Standalone Keypad with LRC engine
2 BHL Integrated ECM and Keypad with C4.4 HRC engine
3 BHL Standalone Keypad with HRC engine (C3.4 or C4.4)
4 BHL Integrated ECM and Keypad with LRC engine
5 BHL Integrated ECM and Keypad with C3.4 HRC engine
6 CWL Integrated ECM and Keypad with C3.8 HRC or LRC engine If the code does not match the machine type, a mismatch error will be detected. Refer to Troubleshooting Guide, UENR4676Keypad Replacement
If the Dealer is replacing a keypad or installing new machine ECM software, the new keypad must be reconfigured using the process in CAT-ET for the ECM replacement and "Fleet /key Config". Also any passwords must be resynchronized in the machine ECM. Refer to troubleshooting guide.If (CAT ET) raises an error dialog screen during password setup, follow the instructions given or close (CAT ET) and restart the computer and reconnect (CAT ET).Antitheft Keypad Owner Functions
Illustration 19 g03773062
(1) Button for numbers one and two
(3) Button for numbers three and four
(5) Button for numbers five and six
(7) Button for numbers seven and eight
(9) Button for numbers nine and zero
(A) LED 1
(B) LED 2The antitheft keypad immobilizes the engine, transmission, and hydraulic systems until a valid password is entered. The password is of four characters or six characters. Two numbers are shown on each button for reference, the system recognizes the button press order. For example, for code "3-1-4-4-2-7" press buttons "3-1-3-3-1-7".Note: An "Owner" master code and operator "User" code are set by your Caterpillar dealer upon machine delivery. Remember this code to avoid dealer visits to reset the master code.Normal Customer Operation
Unlock the Machine Keypad
Unlock - The unlock indicator (A) is located above button (1) and will illuminate green when the keypad is unlocked.
At key on, the indicator will flash red, enter desired User password within 10 minutes.
If password is correct, the unlock indictor will illuminate and double beep will be heard. The system is now unlocked. If an incorrect password is entered, the lock indicator will flash.Note: If the password is entered 5 times incorrectly, the keypad will be placed in tamper mode and will be disabled for 15 minutes.
If a valid password is entered with the key in the off position, the system will not Unlock until the key has been turned On.
If the keyswitch is turned to the ON position but no password is entered within 10 minutes. The system will lockout and the keyswitch must be turned to the OFF position again to reset.Tamper Lockout procedure
When five wrong codes