VCFRONT_a284 — Chiller Exv Fault
Full alert identifier: VCFRONT_a284_chillerExvFault
Alert description
The chiller EXV's motor driver has reported a fault.
Potential impact
Cabin / powertrain cooling and heating 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_a284. 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_a284.