Troubleshooting - Daewoo DSB-075L Service Manual

8.Troubleshooting

8.1 Display board
1 2 2
1
AU TO indicator
Thi s indicator illuminates whe n the air conditioner i s in AUTO operation.
2 2
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.
3
TEMPERATUR E indicator
Displays the te mperature settings when the air condition er is operational.
4
OPERATION in dicator
This indicator fl ashe s after power is on and illum inate s when the unit is in operation.
5 TIMER indicator
This indicator il luminates when TIMER is set ON/OFF.
8.2 Malfunction display
Indoor fan speed has been out of control for over 1 minute
Indoor room temp. or evaporator sensor is open circuit or short circuit
Over current protection of the compressor occurs 4 times
EEROM error
No over-zero signal
r Extinguish
☆ Flash at 5Hz
Signal receptor
5
4
3
Failure phenomenon Operation lamp
☆
☆
X
On
☆
28
Timer lamp
X
On
☆
☆
☆