BL-E30-0515 - 03-01-2018 4-17
Table 4-4 Troubleshooting Chart
LED
CODE
PROGRAMMER
LCD DISPLAY
POSSIBLE CAUSE FAULT CLEARANCE
9 Battery Disconnect
Fault
Battery disconnected 1. Battery not connected.
2. Poor connection to battery terminals.
9 Battery OFF Fault Brake OFF Fault 1. Electromagnetic brake driver open.
2. Electromagnetic brake coil shorted.
5 Brake ON Fault Brake ON fault 1. Electromagnetic brake driver shorted.
2. Electromagnetic brake coil open.
9 Current Sense Fault Current sense out of range 1. Short in motor on in motor willing.
2. Controller failure. *
9 EEPROM Checksum
Fault
EEPROM fault EEPROM failure or fault
9 Hardware Failsafe Motor voltage out of range 1. Motor voltage does not correspond to
throttle request.
2. Short in motor or in motor wiring.
3. Controller failure.*
6 HPD Fault HPD (High Pedal Disable) 1. Improper sequence of throttle and
KSI, push or inhibit pot.
2. Misadjusted throttle pot.
9 Main Fault Main contactor fault 1. Main contractor welded or stuck open.
2. Main contactor driver fault.
9 Main OFF Fault Main contactor driver Off fault Main contactor driver failed open.
9 Main ON Fault Main contactor driver On fault Main contactor driver failed closed.
3 Overvoltage Fault Battery voltage too high 1. Battery voltage >31 volts.
2. Vehicle operating with charger
attached.
3. Intermittent battery connection.
9 Precharge Fault Precharge fault 1. Brake driver shorted.
2. Precharge circuit damaged.
3. MOSFET failure.
7 Speed POT Fault Speed limit pot wiper out of range 1. Speed limit pot wire(s) broken or sho-
ted.
2. Broken speed limit pot.
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