CMPT_a004 — 12v UV
Full alert identifier: CMPT_a004_12vUV
Alert description
The 12V supply of the compressor is below the minimum expected value.
Potential impact
This alert is for diagnostic purposes only. The compressor may reset or stop operating as a result of this undervoltage.
Set condition
12V supply drops below lower voltage limit of 9V.
Clear condition
12V supply rises above minimum voltage level of 10V
Signals to check
These diagnostic fields are associated with CMPT_a004. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
12 V Voltage
CMPT_
|
V |
1 V 2 PGOOD
CMPT_
|
— |
1 V 2 Voltage
CMPT_
|
V |
3 V 3 PGOOD
CMPT_
|
— |
3 V 3 Voltage
CMPT_
|
V |
5 V Voltage
CMPT_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of CMPT_a004.