Ashley-Edison M2 Manual do Utilizador descarregar pdf (Página 24)

ASHLEY-EDISON (UK)

Manufacturers of Voltage Stabilisers – Power Conditioners – Constant Voltage Compensators – Variable Transformers

OSES THREE PHASE OPERATOR MANUAL - EN

Issue No: AE/OSES-3P/TP/07/2011

- Page 24 of 37-

10.4 FRONT LINE TROUBLESHOOTING

WARNING!

The front line remedial action procedures detailed below should only be

carried out by duly qualified personnel.

The Stabiliser can contain potentially dangerous and life threatening

voltages – up to 600 V AC. Use extreme caution when opening the covers

and do not leave the unit unattended with the doors open or covers off.

Suggested Checks Remedial Action Required

Check all fuses, ensuring that none are

blown.

If necessary, replace any blown fuses.

Check all FP – Filter Protection / F1~F3

Fuses, ensuring that none are blown

Replace any blown FP’s. Filter Protection are

labelled with sticker. Should sticker appear

“RED”, it is important to replace with new FP’s

together with any blown fuses, F1~F3. If

fuses F1~F3 blown, it is due to blown / faulty FP’s

and both should be replaced at same time.

Stabiliser will not regulate if these are not

replaced.

Check all MOVs, ensuring that none are

blown

If necessary, replace any blown MOVs.

Inspect all wiring connections /

mechanical links to ensure none have

worked loose.

As required, tighten any loose connections

Check all Cooling Fans, ensuring that all

are rotate freely.

If necessary, replace any seized or suspect noisy/faulty

fans.

Check the operation of the Servo Amplifier

Card

- see Section 9 – Output Voltage

Adjustment in this manual.

Turn the output voltage setting potentiometer

to check if the Amplifier Card is working

correctly.

As you adjust the pot, the variable

transformer will rotate accordingly. When you

increase the pot, the variable transformer will

rotate in one direction and vice versa.

If no problems are encountered, do not forget

to reset the output voltage settings to the

required output voltage levels.

(1) If operation does not work accordingly, switch “OFF” the

Stabiliser, switch the Bypass Control Switch

“Bypass” mode and start up the Automatic Voltage

Stabiliser. This is a temporary measure until spares are

available for replacement.

This will allow you to have an output supply without

regulation. Over / Under Voltage and Phase Failure

Protection. Even in this bypass configuration is in

operation.

(2) Replace Servo Amplifier PCB: With the Voltage

Stabiliser powered “OFF”, replace the faulty Servo

Amplifier card and reset the Bypass Control Switch

back to “Auto” mode. Switch on the stabiliser

The Automatic Voltage Stabiliser should now be

operating satisfactorily.

(3) If after replacing PCB, the Automatic Voltage Stabiliser

is still not working, it is highly probable the problem

rests with the servo motor.If the Servo Motor is found to

be faulty, replace the motor accordingly.

NOTE: In the event of mis-operation of the Control Bypass Switch, it is highly likely the fuses and

MOVs will blow and probably cause damage to the Servo Amplifier Card.

Should problems persist, please contact the Service Department at Ashley-Edison, or

the resale partner from whom you purchased the equipment.

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