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“
HI
”
—
High temperature warning. After turning on the wine cooler ten hours, if the inner temperature is over 23
º
C, the
readout show HI, after it showing for one hour, the
“
HI
”
twinkling and the buzzer alarm, and twenty minutes
later, the buzzer stop, the compressor stop, the readout keep twinkling. 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 stop.
* Remark: some models without the HI and LO warning function.
5.3 Diagnose the defaults
●
There isn
’
t any display on the display PCB.
●
Not cooling (the compressor stop)
No
Yes
No
No
Yes
Yes
Yes
No
If the inner light can be turn on
Check the power source (power cord,
plug, socket)
Display error code?
Refer to 5.2.
The starter have power input?
The protector have power input?
Check the compressor
The starter failed
The protector failed
Compressor fault
Yes
Yes
If the inner light can be turn on
Check the power source (power cord,
plug, socket)
Check the PCB circuit
Display PCB failed
No
If the display have power input
No
Содержание WC6400
Страница 5: ...5 27 2 2 Switching power supply PCB ...