PCS_a070 — Chg Pfc Line Dvdt
Full alert identifier: PCS_a070_chgPfcLineDvdt
Some fields retain information from an earlier alert reference.
Alert description
The onboard charger input voltage measurement changed too much between switching cycles compared to acceptable range, causing reduced AC charge rate. This alert indicates an unexpected and sudden drop or spike in the measured voltage has occurred, and it is frequently associated with a condition affecting the supply voltage from the AC grid.
Potential impact
Reduced AC charge rate.
Set condition
The onboard charger AC input voltage changed too much between switching cycles compared to acceptable range.
Clear condition
The onboard charger will restart the affected converter(s) automatically until the maximum number of retry attempts has been reached.
Signals to check
These diagnostic fields are associated with PCS_a070. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Input Frequency
PCS_
|
— |
Input V Delta
PCS_
|
— |
Input Vrms
PCS_
|
— |
Int Bus V
PCS_
|
— |
Ph State
PCS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a070.