Engel MT60F-U1 - Refrigerator Is too Cold; Compressor Keeps Turning on and off at Short Intervals

※2 Ambient temp 25℃～-16℃
※１ Ambient temp 25℃
※２ Check the compressor as well, as it is possible that the power supply and compressor are failing at the same time.
10
5. TROUBLE SHOOTING
■
Compressor keeps turning on and off at short intervals
(2 to 3 seconds) and the refrigerator does not cool down.
Checking
Test result
Judge
Fixing
YES
NO
Repeat with and
without output
The output is constant from the power supply to the
compressor according to the standard.
(The standard output should be constant for 30 seconds.)
Power supply output voltage.
Approx. AC13V - 18V ※１
YES
NO
Power supply failure
High current value when
there is power supply output.
See page 11
【Check 2】
Replace the power supply.
※２
Compressor rated current.
Approx. 4.2A
Replace the
cooling unit.
Compressor failure
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 11
【Check 4】
Thermistor is
shorted.
Abnormal