Samsung AM072BXV Series Service Manual page 139

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)
4-3-46 COMP Overcurrent error
■ How to use inverter checker (Warning for high pressure)
► Check between MOTOR ↔ FAN PBA
1) After cut off, connect inverter checker with U,V,W of Motor
2) After turn on, enter Comp. check mode by pushing K2 in main PBA
3) Judgment
• 6 LEDs of inverter checker are lightning successively (MOTOR PBA OK, MOTOR NG)
• If one of 6 LEDs in inverter checker is not lightning (MOTOR PBA NG, MOTOR OK)
■ How to enter check mode/7Seg display
Type
Model
COMP 1
COMP 2
MOTOR 1
MOTOR 2
Replace Inverter PBA /Fan PBA
Samsung Electronics
Power Off
( Use to inverter checker )
PBA Defective
DVM S
Air Cooled
9times (KD__)
10times (KE__)
11times (KF__)
12times (KG__)
Water Cooled
8times (KD__)
9times (KE__)
Replace Compressor/Fan motor
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