CIRCUTOR AFQ Series User Manual

Page 94

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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.

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