Fuji Electric FRENIC-HVAC Manual page 113

Code
PV1
PV2
PVA PID feedback error
PVb
PVC
CoF Current input break detection
ECF Enable circuit failure
ECL Customizable logic error
rLo Stuck prevention
FoL Filter clogging error
LoK Password protection
Err Mock alarm
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Table 5.1 Quick List of Alarm Codes（Continued）
Name
5-2
Description
The PID feedback signal wire is broken under PID control.
A break was detected in the current input.
The Enable circuit was diagnosed as a circuit failure.
A customizable logic configuration error has caused an
alarm.
The inverter failed to start due to overcurrent.
An overload state was detected under PID control.
A wrong password has been entered exceeding the
predetermined number of times.
A mock alarm has been generated intentionally by
configuring H45 or keypad operation.