SYMPTOM
“MAINS” and
“BYPASS” indicators
are ON
“MAINS”,
“OVERLOAD” and
“BYPASS” indicators
are ON
“FAULT” indicator is
ON and Alarm sounds
continuously
“MAINS” LED is OFF
and Alarm sounds
periodically
No Output Voltage
when Input power fails
“MAINS” and
“INVERTER
OUTPUT” indicators
are ON but alarm
sounds.
PROBABLE CAUSE
UPS not running
Overload
1. “MAINS” and
“BYPASS” indicators
are also ON
2. “MAINS” LED is OFF
Utility power failure
Batteries discharged
completely.
Rectifier failure
RECOMMENDED
SOLUTION
Turn on the UPS
1. Remove some load from the
UPS
2. If it remains the situation, call
for service
1. Push “OFF” switch first and
push “ON” switch again.
2. If UPS doesn’t recover, call for
service
1. Battery discharged completely.
2. Restart the UPS by pushing
“OFF” switch first and “ON”
switch later when utility
power recovers.
3. If it doesn’t work, call for
service.
1. Check utility power is present
at wall outlet.
2. Otherwise, call for service.
1. Recharging the battery by kept
the circuit breaker “ON” for at
least 4 hours.
2. Retest the battery discharging
again. If it Remains the same,
call for service.
Call for service
IX. TROUBLE SHOOTING GUIDE /
PETUNJUK KETIDAK
NORMALAN
14