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Axpert MKS-4000/KS-5000 Service manual
19
setting is correct
(UPS
Appliance)
Green LED is
flashing.
Set Solar power as the priority of
output source
Change output source
priority to Utility first.
When the unit is
turned on, internal
relay is switched
on and off
repeatedly.
LCD display and
LEDs are flashing.
Battery is disconnected.
Check if battery wires are
connected well.
Buzzer beeps
continuously and
red LED is on.
Fault code 07.
Overload error. The inverter is
loaded with more than 110%
load and time is up
Reduce the connected load
by switching off some
equipment.
Fault code 05.
Output short circuited.
Check if wiring is connected
well and remove abnormal
load.
Temperature of internal
converter component is over
120°C.
Check whether the air flow
of the unit is blocked or
whether the ambient
temperature is too high.
Fault code 02.
Internal Inverter component over
100°C
Fault code 03.
Battery is over charged.
Return to repair center.
The battery voltage is too high.
Check if spec and quantity
of batteries are meet
requirements.
Fault code 01.
Fan fault
Replace the fan.
Fault code 06.
Output abnormal (Inverter
voltage below than 190Vac or is
higher than 260Vac)
1. Reduce the connected
load.
2. Return to repair center
Fault code 08.
Internal components may be
failed.
1. Restart the inverter
again.
2. If the problem still exists,
please return to repair
center.
Fault code 09.
Fault code
11
Fault code
51
Fault code
52
Fault code
53
Fault code
54
Fault code
55
Fault code
56
Battery is disconnected.
Check if battery wires are
connected well.
Fault code
57
Internal components may be
failed.
1. Restart the inverter
again.
2. If the problem still exists,
please return to repair
center.