Midea MSE-07CR, Руководство по обслуживанию

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Service manual
41
13. Troubleshooting
13.1 Display board
Thi s indicator illuminates whe n the air conditioner i s in AUTO operation.
AU TO indicator
DE FROST indicator (F or Cooling & H eating mo dels only)
Thi s indicator illuminates whe n the air conditioner starts defrostin g automati cally or
when the warm air control fea ture is activated in he ating oper ation.
1 22 3
4 5
1
22
3
4
Dis plays the te mperature s ettings when the air c ondition er is operational.
This indicator fl ashe s after power is on and illum inate s when the unit is in oper ation.
This indicator il luminates when TIMER is set ON/OFF.
OPERATION in dicator
TIMER indicat or
TEMPERATUR E indicator
5
Signal receptor
13.2 Troubleshooting
For cooling mode:
Failure phenomenon
Operation
lamp
Timer
lamp
Indoor fan speed has been out of control for over 1 minute ☆ X
Indoor room temp. or evaporator sensor is open circuit or short circuit
☆
On
Over current protection of the compressor occurs 4 times X
☆
EEROM error On
☆
No over-zero signal
☆ ☆
r
Extinguish
☆
Flash at 5Hz
For heat pump mode:
Failure phenomenon
Operation
lamp
Timer
lamp
Defrosting
lamp
Over current protection of the compressor occurs 4 times
☆
X
☆
Indoor fan speed has been out of control for over 1 minute X
☆ ☆
No over-zero signal
☆ ☆ ☆
Temp. sensor on indoor evaporator is open circuit or short circuit X X
☆
Indoor room temp. sensor is open circuit or short circuit X
☆
X
EEROM error On
☆
X
r
Extinguish
☆
Flash at 5Hz