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Neither indoor unit nor outdoor unit runs – Daewoo DPB-280LH User Manual

Page 38

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37

The power is applied to the unit

Check the voltage between

and

of terminal block

N

L

Check the

Breaker or Fuse

Self Diagnostic

function is ON

Check according to

self Diagnostic function

Control P.C.B defect

Check the indoor unit display

is the display all off?

Press the ON/OFF switch of

Remote Control

Is the indoor unit display all off?

Pull out the power plug

and then insert the power plug

after 5 second

Control P.C.B is normal

Recheck from the beginning

Rating voltage more than 90%

Rating voltage

under 90%

No

No

No

Yes

Yes

1

Neither Indoor Unit nor Outdoor Unit Runs