※1 Ambient temp 25℃
5. TROUBLE SHOOTING
12
●Cooling is Weak
Checking
Test result
Judge
Fixing
Battery voltage is lower than 10V
Voltage is too low.
Voltage of battery 10V - 13V?
Charge the bettery
Is the machine part ventilated enough?
Make at least 150mm
room between unit and
wall.
YES
NO
Normal
Please keep the ambient
temperature below 30℃.
Ambient temperature is
too high.
Ambient temparature is higher than 30℃
NO
YES
There are too many things in the refrigerator.
Make some room
for cool air.
YES
Power supply output voltage.
Approx. AC15V - 19V ※1
Lower than AC15V
Replace the power supply.
Output maladjustment
Is the fan motor running?
NO
Fan motor is broken.
Replace the fan motor.
YES
Higher than 2.0A
The compressor is locked, or
contaminated.
Lower than 1.7A
Gas is leaking.
Compressor rated current.
Approx. 1.7A~2.0A
Replace the
cooling system.
NO
Normal
See page 15
【Check 2】
Insufficient ventilation.
Cool air does not spread.
See page 17
【Check 8】
Resistance at the control assy.
Dial position 5 ~ OFF
Approx. 0.6kΩ~11.5kΩ
(Resistance value changes in the
dial position.)
Replace the
control assy.
0Ω
Control assy is
shorted.
Normal
See page 16
【Check 6】