Motor Temp Hot Cutback

Excessive load on vehicle or operating in extreme temperatures

Throttle Fault

Throttle input wire open or shorted, POT may be defective

Undervoltage Cutback

Battery voltage less than 16.8V or bad connection to battery

Overvoltage Cutback

Voltage too high or intermittent battery connection

Severe Overvoltage

Battery voltage higher than 34V or intermittent battery connection

Severe Undervoltage

Battery voltage less than 13.8V

SRO Fault

Interlock switch damaged or disconnection issue

EMR Sequencing Fault

Belly button pressed before startup or inching switch damaged

Main Driver Fault

Internal relay coil broken, driver open or shorted

Main Relay Welded

Internal relay welded, controller defective

Main Relay DNC

Internal relay did not close, relay tips oxidized

Pump SRO Fault

Lift or lower switch pressed before key switch on

Wiring Fault

Misadjusted throttle, broken throttle POT or mechanism

Brake On Fault

Electromagnetic brake driver shorted or brake coil open

Precharge Fault

Controller defective

Brake Off Fault

Electromagnetic brake driver open or coil shorted

HPD Fault

Improper sequence of throttle and interlock input

Current Sense Fault

Controller defective

Controller Overcurrent

Controller defective

Hardware Fault

Motor voltage does not correspond to throttle request

Software Fault

Software or controller defective

Battery Disconnect

Battery not connected or poor connection

Motor Fault

Motor temperature is high

Failed Low BDI

Battery discharge below programmed threshold

Controller Overtemp

Excessive load or extreme temperatures

Controller Severe Overtemp

Excessive load or extreme temperatures

Motor Short

Motor wires shorted

Motor Open

Motor wires open, faulty motor cable or controller