TROUBLE SHOOTING
14
November 07 / Solar ChargeMaster 20, 40 / EN
7 TROUBLE
SHOOTING
Error Description
Error
condition
Display Reason
Remedy
Battery is low
Load will reconnect as soon as battery is recharged.
Overcurrent / Short
circuit of loads
Switch off all loads. Remove short circuit. Controller
will switch on load automatically after max 1 minute.
Controller is thermally
overloaded and has
disconnected the loads.
Check proper ventilation of controller.
After cooling down the loads are reconnected
automatically.
Battery voltage too high
(>15.5 / 31.0 V)
Check if other sources overcharge the battery. If not,
controller is damaged.
Loads are not
supplied
(flashing
symbols).
Battery wires or battery
fuse damaged, battery
has high resistance
Check battery wires, fuses and battery.
Battery is flat
after short
time
Battery has low capacity Change battery
Battery is not
being charged
during
daytime
No up-moving
bars
Solar array faulty or
wrong polarity
Check Solar array and wiring
Battery wrong
polarity
Permanent
sound
Battery is connected with
reverse polarity
Change polarity
Controller is thermally
overloaded
Mount controller at a location with better ventilation
Controller
limits solar
current
(flashing
symbols).
Solar array exceeds
nominal current of
controller.
Check solar array current.
