Trouble Shooting / Petunjuk Ketidaknormalan - ICA ST Series User Manual

IX. TROUBLE SHOOTING / PETUNJUK KETIDAKNORMALAN
SYMPTOM
"INPUT" and "BYPASS" indicator are
"ON"
"INPUT", "BYPASS" and "FAULT"
indicator are "ON" and alarm sounds
continuously
"INPUT" indicator is "OFF" and alarm
sounds periodically
No output voltage when input power
fails
"INPUT" and "INVERTER" indicator
are "ON" but alarm sounds
PROBABLE CAUSE
1. UPS not running
2. Overload
Inverter failure
Utility power failure
Batteries discharged completely
Rectifier failure
RECOMMENDED SOLUTION
1. Turn on the UPS
1. Remove some load from the UPS
2. If it remains the same, call for service
1. Turn off main switch and turn on main switch again
2. If UPS doesn't recover, call for service
1. Check utility power is present at wall outlet
2. Otherwise, call for service
1. Recharging the battery by keep the main switch
"ON" for 10 hours
2. Retest the battery discharging again. If it remains
the same, call for service
Call for service
10