Chigo CS/CU-21H3A-V84 [6/13] 四 dehumidifer series
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Chigo CS/CU-21H3A-V84 [6/13] 四 dehumidifer series

Chigo CS/CU-21H3A-V84 [6/13] 四 dehumidifer series
6
components or integrated circuit is damaged, the
electric control board should be replaced.
E4
display at
off state
abnormal
protection
1、Check whether the operation current and power of
the unit is abnormal.
2、Check whether the speed and wind quantity of the
fan is normal, otherwise replace the outdoor fan
or capacitance
3、 Check whether the surface of the condenser is too
dirty, and it should be cleaned when it is too dirty.
4、Check whether the unit is short of the refrigerant,
add the refrigerant after leakage detection and
repair welding.
5、 Check whether the sensor and electric control
board is normal, otherwise replace the board.
E5
display at
off state
flicker 7/9 SEC
display
at off
state
water level
over limit
1、Normal, discharge the water out, it will return to
normal condition automatically
2、 Check the water level switch, and replace it when
fault.
E8
display at
off state
over heat
protection(PTC
temp. ≥ 152
℃）
1、 Check whether the fan is normal, otherwise
replace corresponding motor or capacitance.
2、 Check the resistance of the electric heater is
normal, otherwise replace it.
四、dehumidifer series
code explain failure
The reason of fault and solution
continuous
lamp flicker 2
times
display
at off
state
room temp. sensor
fault
1、 Check whether the resistance of the sensor is normal, when it is
abnormal the sensor should be replaced.
2、Check whether there is short circuit or open circuit in the wire of the
sensor, and whether the plug is connected well, whether there is
welding off or rosin joint on the electric control board, if there is any,
it should be repaired.
3、When the 1 and 2 are both normal, then the components or integrated
circuit is damaged, the electric control board should be replaced.
continuous
lamp flicker
2/3 SEC
display
at off
state
coil temp. sensor
fault
1、Check whether the resistance of the sensor is normal, when it is
abnormal the sensor should be replaced.
2、Check whether there is short circuit or open circuit in the wire of the
sensor, and whether the plug is connected well, whether there is
welding off or rosin joint on the electric control board, if there is any,
it should be repaired.
3、When the 1 and 2 are both normal, then the components or integrated
circuit is damaged, the electric control board should be replaced.
continuous
lamp flicker 3
times
display
at off
state
humidity sensor
fault
1、Check whether the humidity sensor is normal, otherwise replace it.
2、Check whether the sensor wire is short circuit or open circuit, and
whether the plug is well contacted, whether there is welding off or
rosin joint on the electric control board, repair it if there is any above.

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