Test Operation
Samsung Electronics 313
6) Compressors
What to inspect: Compressor's operation electric current
Error code: None ("NG" is only indicated in the result report)
■ Precautions
Are the specifications
and the cable connection
normal?
Is the compressor's
operation electric current (CT1, CT2) value 0
not active?
Is the compressor's
phase-to-phase (U-V, V-W, W-U) resistance
Install an ammeter, and then
perform Trial Operation (cooling/heating)
- See the instructions on Key operation modes.
Is the value
indicated by the ammeter
electric current (CT1, CT2)
value?
Is the operation cycle
normal?
Is the
compressor's operation electric current
(CT1, CT2) value normal?
Perform Auto Trial Operation again.
Take corrective measures.
Replace the compressor.
Perform Trial Operation (cooling/heating)
- See the instructions on Key operation modes.
Replace the inverter PBA.
Replace the compressor.
Replace the inverter PBA.
Take corrective measures.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
9-1 Auto Trial Operation (cont.)
9-1-3 How to resolve NG items (cont.)
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