Troubleshooting
4-34 Samsung Electronics
ߥࣗߧࣗߦAͱΧθʪϑϑͱθϑϩɇθϩЇΧʪθθͱθࡡAͱΧθʪϑϑͱθͱʀʪθθͱθࡡAͱΧθʪϑϑͱθθͱϩɇϩͱʪθθͱθ
1. Check items
1) Are the power supply and compressor connecting wires connected correctly?
2) Is the inter-phase resistance of the compressor normal?
2. Check procedure
Yes
Turn off the power and restart the unit.
ƊʪθЭʀʪʪʒࢋ
No
Is there an error?
Yes
Replace the compressor.
Checking Comp Resistance (Normal Value)
No
Ãϑϩ˵ʪθʪϑϑϩɇʀʪЭɇЭʪ
between the phases (U׳·V׳ΈW׳Ά
ɵʪͱиͱθɇЭɇЭʪࢌ
Yes
Replace the compressor.
No
Ãϑϩ˵ʪθʪϑϑϩɇʀʪЭɇЇʪ
between the compressor boday and the chassis
in the range of Mega
Խ
U
Yes
Check the connection wire.
No
Is the compressor
connection wire connected to the
compressor correctly?
Replace the outdoor unit Main PCB.
U-V V-W W-U
AJ020TXJ2CH
AJ024TXJ3CH
ߡࢋߨߡߡࢋߩߡ ߡࢋߨߡߡࢋߩߡ ߡࢋߨߡߡࢋߩߡ
AJ020TXS3CH
AJ***TX*4CH
AJ***TX*5CH
ߡࢋߧߡߡࢋߨߡ ߡࢋߧߡߡࢋߨߡ ߡࢋߧߡߡࢋߨߡ