DIR_a123 — Loss Motor Control

Full alert identifier: DIR_a123_lossMotorControl

Alert description

Drive Inverter Warning: Loss of motor control

Unable to produce torque/power from drive unit

Motors are not responding to DI commands

Motors respond to DI commands

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal	Unit
Bad Current `DIR_a123_badCurrent`	A
Bad Flux `DIR_a123_badFlux`	Wb
Bus Voltage `DIR_a123_busVoltage`	V
Loss Request `DIR_a123_lossRequest`	kW
Motor RPM `DIR_a123_motorRPM`	RPM
Variance D `DIR_a123_varianceD`	A
Variance Q `DIR_a123_varianceQ`	A

Signal	Unit
Loss Reason `DIR_a123_lossReason` 1 NO FLUX UP 2 HIGH VAR FLUX 3 HIGH VAR CURR 4 HIGH FLUX DISTURBANCE	—

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a123.