User manual

28
AC Fail
(Under inverter mode, but can
not transfer to line mode.)
Check :
Check :Check :
Check :
a. AC Voltage :
a. AC Voltage :a. AC Voltage :
a. AC Voltage :
*** 60V > AC Voltage > 135V (120V Series)
*** 120V > AC Voltage > 270V (220V Series)
b. AC Frequency :
b. AC Frequency :b. AC Frequency :
b. AC Frequency :
*** 45Hz > AC Frequency > 70Hz
If no, replace control & Main PCB.
DC
DCDC
DC Abnormal
AbnormalAbnormal
Abnormal DC_BUS Fail Check : (Battery Voltage)
Check : (Battery Voltage)Check : (Battery Voltage)
Check : (Battery Voltage)
*** 1.2K : Battery Voltage > 15.0V
*** 2.4K / 3.6K / 5K : Battery Voltage > 30.0V
*** 6K / 8K : Battery Voltage > 60.0V
If no, replace battery.
Charger Fail Check : (Charger Voltage)
Check : (Charger Voltage)Check : (Charger Voltage)
Check : (Charger Voltage)
*** 1.2K : 11.2V > CHG. VOL > 15V
*** 2.4K / 3.6K / 5K : 22.5V > CHG. VOL > 30V
*** 6K / 8K : 45V > CHG. VOL > 60V
Solutions : (
Solutions : (Solutions : (
Solutions : (OFF AC)
OFF AC)OFF AC)
OFF AC)
*** Under cold start, if Inverter Mode OK, replace the Control PCB
*** Under cold start, if Inverter Mode N.G., replace control & Main
PCB
Over
Over Over
Over
Temperature
TemperatureTemperature
Temperature
Temp Fail Check :
Check :Check :
Check :
*** If The Temperature Of the inverter is really high
*** Remove Some Unnecessary Loads
*** That The Fan is Normal
*** The Temperature Sensor Circuit..
Solutions :
Solutions :Solutions :
Solutions :
*** Restart the inverter. If N.G., replace the control PCB
Fan
FanFan
Fan Abnormal
AbnormalAbnormal
Abnormal Fan Fail Check :
Check :Check :
Check :
*** That The Fan is Normal
*** The Fan’s Sensor Circuit.
Solutions :
Solutions :Solutions :
Solutions :
*** Restart the inverter. If N.G., replace the control & main PCB
Over Load
Over LoadOver Load
Over Load Over Load Check :
Check :Check :
Check :
*** If LCD Display Output Power > 110 %
*** Remove Some Unnecessary Loads to be Less
Than 90%
*** Restart the inverter to Enter Into the Inverter mode