Daewoo DWC-121R Manual Do Utilizador

1

Check the connector of room air thermistor. (or connecting wire) 

2

Check soldering of connecting on control P.C.B. (Error of soldering or short)

3

Check the resistance of room air thermistor.

“Press the temperature Keys (Up & Down), Error code is displayed.”

The power is applied to the unit

Check the voltage between “POWER 

”

and 

“RL1

” of Main P.C.B

4

1

Check the

Breaker or Fuse

Self Diagnostic

function is ON

Check according to

self Diagnostic function

Main P.C.B defect

Check the unit display

is all off?

Press the ON/OFF button of

Remote Control or Front Panel

Is the unit display all off?

Pull out the power plug

and then insert the power plug

after 5 second

Main P.C.B is normal

Recheck from the beginning

Rating voltage more than 90%

Rating voltage

under 90%

No

No

No

Yes

Yes