Engel MT45F-U1D-P Service Manual

※１ Ambient temp 25℃
※2 Ambient temp 25℃～-16℃
5. TROUBLE SHOOTING
11
■ Cooling is Weak
Checking
Test result
Judge
Fixing
Battery voltage is lower than 11V
Voltage is too low.Voltage of battery １２V?
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
Lower than AC１３Ｖ
Replace the power supply.
Power supply is broken
Is the fan motor running?
NO
Fan motor is broken.
Replace the fan motor.
YES
The compressor is locked, or
contaminated.
Below reference value
Gas is leaking.
Replace the
cooling system.
NO
Normal
Insufficient ventilation.
Cool air does not spread.
See page 15
【Check 8】
Power supply &
Temperature
controller is
broken.
Replace the
power
supply &
Temperature
controller .
Resistance of the thermistor.
(Power supply, temperature controller side)
Approx. 2kΩ-10kΩ ※2
0Ω
Replace the
thermistor.
Normal
■Ｒｅｆｒｉｇｅｒａｔｏｒ is too cold.
(Can not be temperature adjustment)
See page 14
【Check 4】
Thermistor is
shorted.
NO
Power supply is broken
Replace the power supply.
Power is not coming to the
fan motor
Power is coming but fan
motor does not work
Above reference value
Measurement of rated
current of refrigerator or
compressor
See page 15
【Check 7】
Is the output voltage from the power
supply to the compressor normal?
Approx. AC13V - 18V ※１
See page 13
【Check 2】
Abnormal

Engel MT45F-U1D-P Specifications

General

Brand	Engel
Model	MT45F-U1D-P
Category	Refrigerator
Language	English