Samsung AJ024TXJ3CH - 4-6-6 IPM Over current error

Troubleshooting
Samsung Electronics 4-35
Checking Comp Resistance (Normal Value)
U-V V-W W-U
AJ020TXJ2CH
AJ024TXJ3CH
ߡࢋߨߡߡࢋߩߡ ߡࢋߨߡߡࢋߩߡ ߡࢋߨߡߡࢋߩߡ
AJ020TXS3CH
AJ***TX*4CH
AJ***TX*5CH
ߡࢋߧߡߡࢋߨߡ ߡࢋߧߡߡࢋߨߡ ߡࢋߧߡߡࢋߨߡ
4-6-6 IPM Over current error
1. Check items
1) Is the cool ant changed?
2) Is the compressor running normally?
3) Is the compressor connected correctly?
4) Are there any obstacles near the indoor and outdoor units?
2. Check procedure
Yes
ŵʪͱЭʪϩ˵ʪͱɵϑϩɇʀʪϑɇʒϑϩɇ
the unit again.
No
Is the ourdoor unit unstalled correctly?
Yes
ŵʪͱЭʪϩ˵ʪͱɵϑϩɇʀʪϑɇʒϑϩɇ
the unit again.
No
Is the resistance
between pin1 and pin3 of the fan
࣍AĘߪߡߢ࣎ͱЭʪθߢ༯U
Yes
ĮΧʪϩ˵ʪЭɇЭʪࢋ
No
Ãϑϩ˵ʪЭͱϩɇ˝ʪ
between pin4 and pin3 of the fan (CN901)
ͱЭʪθߢߦǤࢌ
Yes
Check the compressor connection status.
No
Ãϑϩ˵ʪЭͱϩɇ˝ʪɵʪϩиʪʪ
pin5 and pin3 of the fan (CN901) during
the operation 1V~6V?
Yes
Yes
Yes
Yes
Replace the compressor.
Trun off the power and correct or replace
the temperature sensor location.
Trun off the power and reconnect the table.
Replace the compressor.
ŵʪΧɇʀʪϩ˵ʪЭʪθϩʪθťA9ࢋ
No
No
No
No
Is the fan running the operation mode?
Uͱʪϑϩ˵ʪЭͱϩɇ˝ʪ
between pin6 and pin3 of the fan (CN901) fluctuate?
(High 5V~6V, Low:0V~1V)
Are the temperature
sensor location and the measured
ЭɇЇʪͱθɇࢌ
Is the resistance
ЭɇЇʪɵʪϩиʪʪϩ˵ʪʀͱΧθʪϑϑͱθɵͱʒɇцɇʒϩ˵ʪʀ˵ɇϑϑϑ
in the range of Mega
Խ