Check Point 1 : Check Connection
Check terminal connection of Compressor (loose or incorrect wiring)
Check Point 2 : Check Winding Resistance
Check winding resistance of each terminal
If the resistance value is 0 or infinite, replace Compressor.
SERVICE PARTS INFORMATION 3
Inverter Compressor
Check connection of magnet relay (Loose or incorrect wiring)
Resistance
Value (25°C)
0.534
W
(BLACK)
V
(WHITE)
U
(RED)
Terminal cover opened
W (T)
U (R)
V (S)
INVERTER PWB
RED WHITE
BLACK
compressor
TM806
TM807
TM808
Attention!!
If Check 1, 2 are normal, make sure the following points.
(1) Check AC voltage among each terminals from filter PCB(INV) to Diode Bridge.
(AC380V - 415V, voltage among L1, L2 and L3).
If it does not appear, check the power supply terminal.
(2) Check Voltage from Main PCB to Inverter PCB.
(DC15.0 - 18.0V between terminals of CN126 (1-2) connector of Main PCB).
If it does not appear, replace Main PCB.
If both of above voltages appear, it is considered to be Inverter PCB circuit failure.
Replace Inverter PCB and check operation.
DC
AC
04-100
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