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DIF_a123 — Loss Motor Control

Full alert identifier: DIF_a123_lossMotorControl

Alert description

Drive Inverter Warning: Loss of motor control

Potential impact

Unable to produce torque/power from drive unit

Set condition

Motors are not responding to DI commands

Clear condition

Motors respond to DI commands

Signals to check

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 DIF_a123_badCurrent A
Bad Flux DIF_a123_badFlux Wb
Bus Voltage DIF_a123_busVoltage V
Loss Request DIF_a123_lossRequest kW
Motor RPM DIF_a123_motorRPM RPM
Variance D DIF_a123_varianceD A
Variance Q DIF_a123_varianceQ A
Signal Unit
Loss Reason DIF_a123_lossReason
1
NO FLUX UP
2
HIGH VAR FLUX
3
HIGH VAR CURR
4
HIGH FLUX DISTURBANCE
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Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a123.

Browse all DIF alert codes