CMPT_a020 — Gate Drive Power Supply Faulted
Full alert identifier: CMPT_a020_gateDrivePowerSupplyFaulted
Alert description
At least one of the gate driver power supplies had to shut down due to an electrical condition.
Potential impact
Compressor will not operate if power to any gate driver is insufficient.
Set condition
At least one gate drive power supply is reporting power not good via its PGOOD pin.
Clear condition
All gate driver power supply are reporting sufficient output power.
Signals to check
These diagnostic fields are associated with CMPT_a020. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
12 V Voltage
CMPT_
|
V |
Pgood a
CMPT_
|
— |
Pgood b
CMPT_
|
— |
Pgood c
CMPT_
|
— |
Pgood low
CMPT_
|
— |
Channel
CMPT_
|
— |
Lv State
CMPT_
|
— |
Pcba Temp
CMPT_
|
degC |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of CMPT_a020.