VCFRONT_a142 — Exv Motor Fault
Full alert identifier: VCFRONT_a142_exvMotorFault
Alert description
The chiller EXV's motor driver has reported a fault. HVAC cabin cooling (air conditioning) and powertrain performance may be limited.
Potential impact
HVAC cabin cooling (air conditioning) and powertrain performance may be limited
Set condition
The EXV motor driver has reported a fault.
Clear condition
The EXV motor driver no longer reports a fault.
Signals to check
These diagnostic fields are associated with VCFRONT_a142. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Charge Pump Undervoltage
VCFRONT_
|
— |
Driver Has Comm Error
VCFRONT_
|
— |
Driver State
VCFRONT_
|
— |
Driver Therm Shutdown
VCFRONT_
|
— |
Driver Therm Warn
VCFRONT_
|
— |
Is Coil Open X
VCFRONT_
|
— |
Is Coil Open Y
VCFRONT_
|
— |
Is Coil Short XN Gnd
VCFRONT_
|
— |
Show 8 more fields
| Signal | Unit |
|---|---|
Is Coil Short XN Vbb
VCFRONT_
|
— |
Is Coil Short XP Gnd
VCFRONT_
|
— |
Is Coil Short XP Vbb
VCFRONT_
|
— |
Is Coil Short YN Gnd
VCFRONT_
|
— |
Is Coil Short YN Vbb
VCFRONT_
|
— |
Is Coil Short YP Gnd
VCFRONT_
|
— |
Is Coil Short YP Vbb
VCFRONT_
|
— |
Undervoltage
VCFRONT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a142.