Troubleshooting - PowerWalker VFD 400 Guia De Inicio Rapido

EN
Turn On/Off
Press the switch of the UPS continuously for 1 second and the UPS turns into its normal state
(the green light is on and the beeper is off) after it performs a self‐diagnosis (the beeper and
the red and green indicator lights are on) for several seconds. At this time, user may turn on the
PC and other loads. Press the switch of the UPS continuously for 1 second to turn off the UPS.
Note:
•
For the convenience of maintenance, please turn on the UPS first before turning on
the PC and the other loads, and turn off the UPS after the loads are turned off.
•
At ordinary times, we recommend to remain the UPS on with the battery charging
(even if the loads are turned off), which is benefit to the maintenance of the battery.
3. Trouble Shooting
Symptom Possible Cause
1. Missing battery
No LED display
2. Battery defect
on the front panel
3. Power switch is not pressed
1. Overload of the UPS
2. Battery voltage is too low
When power
failure, backup
3. Battery defect due to high
time is short.
temperature operation
environment, or improper
operation to battery.
1. Circuit breaker is broken.
Mains normal but
LED is flashing.
2. Power cord is loose.
If any abnormal situations occur that are not listed above, please call service people immediately.
Remedy
1. Charge battery up to 8 hours
2. Replace with the same type
of battery
3. Press power switch again
1. Remove some noncritical load
2. Charge battery 8 hours or
more
3. Replace with the same type
of battery
1. Reset the circuit breaker.
2. Reconnect the power cord
properly.