Circuit Diagram - Beko Portable Air Conditioner Service Manual

The compressor doesn't start.
Yes
Check if the resistance between the wire terminator of the compressor is good or not.
Usually, S-C 9secondary windings) is 2-10Ω; R-C( principal windings) is 2-6Ω.
Yes
Check if the starting capacitor is OK. ( use a AVOmeter to check and
AVOmeter can charge up or discharge.)
Yes
Check if the compressor has voltage.
Yes
Change the compressor
No
Change the compressor
No
Change the starting capacitor.
No
Check the electric wire

3.3 Circuit Diagram