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If you suspect that the control system fault, you can star the self-check mode by following below:
1 >
.
Power on the wine cooler, it will beep one sound, the wine cooler star, within 10 seconds after it star
t,
press the
‘
▲’
and
‘▼’
at the same time and holding, three beep will sound, the systems enter
self-check mode.
The power indication light on.
The readouts show the actual temperatures.
The heater on and last for ten seconds
The LED light on.
All of the inner and outer fans running.
No response when touch the controlled button.
2>
.
If all 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.
(
→
6.2.2 )
3 >
.
The self-check can be quit only disconnect the power plug.
5.2 Err code
Code
Representation
Checking point
Solution
E1
Upper compartment
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
Upper compartment
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 please.
E3
Defrost 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.
E4
Defrost 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 please.
E7
Lower compartment
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.
E8
Lower compartment
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 please.
HI
Inner temperature too
high
A Check if any refrigerant leakage.
Repair the leakage and refill.
B Check if the capillary jam
Clean or replace the capillary.
C Check it the inner fan run
normally
Repair the wiring or replace the fan.
LO
Inner temperature too
low
a Check if the inner fan run
normally
Repair the wiring or replace the fan.
b Check if the PCB normal.
Replace the PCB.
Содержание WC6400
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