VCRIGHT_a302 — Blower General Fault
Full alert identifier: VCRIGHT_a302_blowerGeneralFault
Alert description
The brushless HVAC blower motor has experienced a condition affecting functionality. The HVAC blower will not function, and the blower motor driver in the right vehicle controller (VCRIGHT) will be reset to attempt to clear the condition. Note: The reset may only temporarily clear the condition, depending on the cause. For example, the condition will quickly return if the cause is a broken wire or loose connection.
Potential impact
The HVAC blower will not function. The VCRIGHT blower motor driver will be reset to attempt to clear the condition affecting functionality.
Set condition
Any of the alert log signals is set (=1), indicating VCRIGHT detects a condition affecting blower motor functionality.
Clear condition
The VCRIGHT integrated circuit controlling blower motor function no longer detects a condition affecting functionality.
Signals to check
These diagnostic fields are associated with VCRIGHT_a302. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Cbc mia
VCRIGHT_
|
— |
CBC UART Reset
VCRIGHT_
|
— |
DRV Fault
VCRIGHT_
|
— |
Drv mia
VCRIGHT_
|
— |
TMS 320 Over Temp Shut Dwn
VCRIGHT_
|
— |
Current Unbalance
VCRIGHT_
|
— |
Fet Overtemp Shutdown
VCRIGHT_
|
— |
Module Over Current
VCRIGHT_
|
— |
Show 11 more fields
| Signal | Unit |
|---|---|
Motor Disconnect
VCRIGHT_
|
— |
Motor Lost Phase
VCRIGHT_
|
— |
Motor Over Temperature
VCRIGHT_
|
— |
Motor Stall
VCRIGHT_
|
— |
Over Current Latch
VCRIGHT_
|
— |
Over RMS Current
VCRIGHT_
|
— |
Over Voltage
VCRIGHT_
|
— |
Overload Fault
VCRIGHT_
|
— |
Overspeed Fault
VCRIGHT_
|
— |
Startup Failed
VCRIGHT_
|
— |
Under Voltage
VCRIGHT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCRIGHT_a302.