Caple WI152, Technical Information

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enter self-check mode.
2 >
．
The function as below:
a. Not any react when press any button.
b. The readout show “
━ ━
”.
c. The compressor keep running.
d. The inner fan and outer fan running.
e. The light switch control the light at normal.
3 >
．
If all items a~e tally with above description, the parts are normal. If any part fail, check the failed part and the
corresponding wiring and connection, if the wiring and connection is in good condition, replace the part and check
again, if it still failed, the default should be the control PCB, replace it with same model. ( Fig.4 & Fig.5 & Fig.8 &
Fig.9)
4 >
．
The self-check can be quit only disconnect the power plug.
5.2 Err code
Symbol Representation Checking point Solution
E1 Inner sensor open circuit.
Check the wiring and connection between PCB and
sensor, if it open circuit.
If the connection and wiring is normal,
replace the sensor please.
E2 Inner sensor short circuit.
Check the wiring and connection between PCB and
sensor, if it short circuit.
If the connection and wiring is normal,
replace the sensor
E3
Anti-frost sensor open
circuit.
Check the wiring and connection between PCB and
sensor, if it open circuit.
If the connection and wiring is normal,
replace the sensor
E4
Anti-frost sensor open
circuit.
Check the wiring and connection between PCB and
sensor, if it short circuit.
If the connection and wiring is normal,
replace the sensor
5.3 Diagnose the default
●
There isn’t any display on the display PCB.
Yes
Yes
If the inner light can be turn on
Check the power source (power cord,
plug, socket)
If the display have power input
Check the PCB circuit
Display PCB failed
No
No