replace it with the same module.
(
→
6.2.2)
4 >
.
Unplug the plug to exit the self-examination system.
5.2 Error code
Symbol
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
(
→
6.1.6)
E2
Upper compartment
sensor short circuit.
Check the wiring and connection between PCB and
sensor, if it short circuit.
E7
Middle compartment
sensor open circuit.
Check the wiring and connection between PCB and
sensor, if it open circuit.
E8
Middle compartment
sensor short circuit.
Check the wiring and connection between PCB and
sensor, if it short circuit.
E5
Lower compartment
sensor open circuit.
Check the wiring and connection between PCB and
sensor, if it open circuit.
E6
Lower compartment
sensor short circuit.
Check the wiring and connection between PCB and
sensor, if it short circuit.
HI
High temperature
warning.
Inner temperature too
high
1.Display on all compartments :check if the
compressor normal, if any gas leakage.
Replace the compressor,start or
protector, or repair the leakage
(
→
7.1
,
7.2,7.3)
2.Display on
single
compartment
a.Check if the valve
normal.
If the valve fail, replace it.
(
→
6.2.4)
b.Check if the capillary
block.
If the capillary block, replace
it.
(
→
6.2.5)
c.Check if the inner fan
normal.
If the fan fail, replace it.
(
→
6.1.5)
LO
Low temperature
warning.
Inner temperature too
low
Display on any
one of upper and
middle
compartments.
a.Check
if
the
valve
normal.
If the valve fail, replace it.
工
(
→
6.2.5)
b.Check if the main PCB
normal.
If the PCB fail, replace it.
(
→
6.2.2)
LO
Inner temperature too
low
Check if the PCB faulty.
If the PCB faulty, replace it.
(
→
6.2.3)
“
HI
”
High temperature warning
—
After the wine cooler ten hours running for ten hours constantly, if the any of the inner
temperature is over 23
º
C, the readout show HI, after it showing for one hour, the the buzzer alarm, and one
hour later, the buzzer stop, the compressor stop. The HI alarm can be stopped by disconnect the power plug.
“
LO
”
Low temperature warning
—
After turning on the wine cooler two hours, if the inner temperature is lower than 0
º
C and
lasting for 15 minutes, the readout show LO, the buzzer alarm, and the compressor stop at the same time, when
the inner temperature is over 2
º
C, the LO warning quit.
Summary of Contents for WC177
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