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Curtis 1228 Manual, Rev. F
Table 2 STATUS LED FAULT CODES
LED CODES EXPLANATION
LED off no power or defective controller
solid on controller operational; no faults
1,1 ¤ ¤ thermal cutback fault
1,2 ¤ ¤¤ throttle fault
1,3 ¤ ¤¤¤ speed limit pot fault
1,4 ¤ ¤¤¤¤ undervoltage fault
1,5 ¤ ¤¤¤¤¤ overvoltage fault
2,1 ¤¤ ¤ main contactor driver Off fault
2,3 ¤¤ ¤¤¤ main contactor fault
2,4 ¤¤ ¤¤¤¤ main contactor driver On fault
❊ 3,1 ¤¤¤ ¤ HPD fault present for >10 seconds
3,2 ¤¤¤ ¤¤ brake On fault
3,3 ¤¤¤ ¤¤¤ precharge fault
3,4 ¤¤¤ ¤¤¤¤ brake Off fault
3,5 ¤¤¤ ¤¤¤¤¤ HPD (High Pedal Disable) fault
❊ 4,1 ¤¤¤¤ ¤ current sense fault
❊ 4,2 ¤¤¤¤ ¤¤ motor voltage fault (hardware failsafe)
❊ † 4,3 ¤¤¤¤ ¤¤¤ EEPROM fault
❊ 4,4 ¤¤¤¤ ¤¤¤¤ power section fault
❊ = Must cycle keyswitch to clear.
† = Must use programmer to clear, as follows: select Parameters Menu, alter data
value of any parameter, cycle keyswitch.
NOTE: Only one fault is indicated at a time, and faults are not queued up.
7 — DIAGNOSTICS & TROUBLESHOOTING
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