THOR THPWM-30, Instruction Manual

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9
COMMON PROBLEMS AND SOLUTIONS
Symptoms Cause and Solutions
LCD screen does not light up. Check whether the battery is correctly connected.
Incomplete display or no renewal on LCD
screen.
Check whether the ambient temperature is too low and whether the display
recovers when the temperature rises.
No charging with sunlight present.
Check whether the solar panel is correctly connected and contact is good
and reliable. Check whether the solar panel voltage falls below the battery
voltage.
The sun icon does not light up while the
solar panel icon does. The battery voltage is
normal but there is no output.
The load will be switched on automatically after 10 minutes
(set by the user)
The battery icon flashes quickly and there is
no output.
System overvoltage. Check whether the battery voltage is too high.
The battery icon flashes slowly and there is
no output.
The battery is over-discharged and will recover after recharged adequately.
The load icon flashes quickly and there is
no output.
The load's power exceeds the rated value or the load is short-circuited.
After the problem is solved, long press the key or wait until ir recovers
automatically.
The load and the encircling light ring stays
lit and there is no output
Check whether the power-consuming device is connected correctly and
reliably.
Other symptoms
Check whether wiring is sound and reliable and system voltage is correctly
recognized.