PowerWalker VFI 3/3 Series Guia do Utilizador descarregar pdf (Página 52)

Remark:

A. Prior to battery replacement, switch off UPS and remove it from AC and battery, take off

internal battery fuse.

B. Take off metallic articles such as rings and watches.

C. Use screw drivers equipped with insulated handles and do not place tools or other metal-

lic substances on the batteries.

D. Short circuit or reverse connection is forbidden for battery polarity connection.

The troubleshooting procedure gives simple remedial if a malfunction occurs in the UPS.

The operator should start the trouble shooting if there is an active alarm indicated on the

LCD screen. Service should be contacted if the active alarm is abnormal and displayed as a

service code.

Should maintenance prove necessary, the following steps should be followed:

1. Check if UPS input wiring is done properly.

2. Check if all air switches are tripped out.

3. Check if voltage input is within specied range

Please refer to “Light Reference Table” of this User Manual rst and then conduct proper

treatment. If problems still exist, please record UPS model, serial number as well as pur-

chase date, symptom on fault, light condition, LCD malfunction or warning information.

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PowerWalker VFI 3/3 Series Guia do Utilizador Página 52