CIRCUTOR AFQ Series User Manual
Page 94

AFQ-4W
94 Instruction Manual
Corrective
Action
Check the unit connections or reduce the harmonics to be filtered.
MAX. Mains voltage
Description
The mains voltage is too high.
Corrective
Action
Check the AFQ-4W input voltage levels.
Desaturation
Description
Problem related to the inverter drivers.
Corrective
Action
Check the connections of the controller boards.
Initial Conditions Error
Description
An alarm caused by repeated no initial conditions.
Corrective
Action
Check the initial conditions and the configuration.
Resonance Alarm
Description
An alarm caused by the resonance of a harmonic current with load.
Corrective
Action
Ensure that the filter is operating in frequency mode. Refer to
section 4.3.3.- CONFIGURATION OF PARAMETERS
Contactor faults
Description
The cabinet contactors do not work correctly or a circuit breaker
has tripped.
Corrective
Action
Check the cabling of the contactor auxiliary contacts and the circuit
breakers.
DC Bus Load Error
Description
The DC bus voltage is not sufficient for the proper unit operation.
Corrective
Action
Check the connections of the controller boards.
Table 13: Alarm messages.
The RESET ALARM button of the main screen rearms the unit if the cause of
the alarm has disappeared or been solved.