-98-
When compressor does not operate normally.
■
CT Error (Error Code
)
Trouble 7-2
Does the operating LED in Display PCB
Ass'y blink 8 times?
• Check the state of connecting cable
(3 line) bewteen Indoor and Outdoor Unit .
• Check fuse, Noise Filter, PTC, etc.
NO
YES
Is the current transformer(CT) in Main PCB
Ass'y right?
Check the PCB pattern(resoldering)
NO
YES
Is the indoor/outdoor fan locked?
Check the indoor/outdoor fan motor.
NO
YES
Is the connecting state of connectors right?
(CN-IPM, U.V.W and Compressor wires)
Check the state of connecting wires.
NO
YES
Is the discharge temperature of Indoor unit
right(11°C~17°C) in the cooling mode?
Check the compressor.
NO
YES
Is the refrigerant pressure right?
Supply the refrigerant
NO
YES
Replace the PCB Ass'y.
• Main PCB Ass'y(Outdoor)
• Control Box Ass'y(Outdoor)
Summary of Contents for A2UN186FA0
Page 104: ... 104 Electronic Control Device 1 Room Type Indoor Unit MAIN P C B DC ASM MAIN P C B AC ASM ...
Page 105: ... 105 2 Cassette Type Indoor Unit MAIN P C B DC ASM ...
Page 106: ... 106 3 Art Cool Type Indoor Unit TOP VIEW BOTTOM VIEW ...
Page 107: ... 107 4 Convertible Type Indoor Unit ...
Page 109: ... 109 6 SUB P W B ASSEMBLY Art Cool Type Indoor Unit TOP VIEW BOTTOM VIEW ...
Page 110: ... 110 7 Outdoor Unit MAIN P C B ASM V P U N W ...
Page 111: ... 111 Schematic Diagram 1 Room Type Indoor Unit ...
Page 113: ... 113 3 Art Cool Type Indoor Unit ...
Page 114: ... 114 4 Convertible Type Indoor Unit RY 4WAY RY OUTFAN ...
Page 132: ...P No 3828A20097N August 2003 Printed in Korea ...