Chigo CS/CU-25H3A-V84 Коды ошибок онлайн [3/13] 275319

it is damaged.

6、If the above items are normal, the electric control

board should be replaced.

PG motor

display at

off state

flicker 5/7

SEC

display

at off

state

no feedback

signal of indoor

fan

1、Check whether two sets of plugs on the outlet end of

the motor have loosed from the socket of the

electric control board, insert it firmly when loosing.

2、Check whether the indoor motor has damaged, the

motor should be replaced when it is damaged

3、 Check whether the controllable silicon and other

components on the electric control board have

damaged, replace the controllable silicon or electric

control board when they are damaged.

PG motor

display at

off state

flicker 6/8

SEC

display

at off

state

no over zero

signal

1、Firstly check whether the indoor fan is normal.

2、Check whether the signal outputting from the

integrated chip of the electric control board is

normal, the electric control board should be

replaced when the signal is abnormal.

display at

off state

flicker 7/9

SEC

display

at off

state

outdoor

feedback fault

1、Check whether the winding resistance and operation

current of the compressor are normal

2、Check whether the high and low pressure is normal

when the unit is running.

3、Check whether the indoor and outdoor wiring is

right; when it is wrong, connect them again

according to the circuit diagram

4、 Check whether the contact of the inserter on the

circuit board and the connection are well, otherwise

repair.

5、Check whether the signal feedback wire is

disconnected, replace or connect the feedback

signal wire.

6、Check whether the supply power is phase-lacking or

phase opposition.

7、Check whether the AC electromagnetic contactor is

well.

display at

off state

flicker 8/10

SEC

display

at off

state

frost

protection/over

heat protection

1、Check whether the filter of the indoor unit is dirty or

blocked, and clean if it is dirty.

2、Check whether the indoor fan is running normally,

and replace the motor if it is abnormal.

3、Check whether indoor pipe temperature sensor is

normal, and replace the sensor if it is abnormal.

4、Check whether the system pressure is normal, if

abnormal, should check whether there is leakage,

and fill the refrigerant again.

Chigo CS/CU-25H3A-V84 Коды ошибок онлайн [3/13] 275319

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