I am trying to install a second hand Daewoo DSB-120LH air conditioner but can't get the unit to turn on.
The indoor unit flashes two LED's 5 times ('ON' and 'AIR CLEAN' LED). What coult be the problem.
I have vacuumed the unit and re-gassed also leaned all filters
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Tried resetting number of times, same flashing LED's though, I am sure they indicate some fault code, but do not know what?
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