-99-
Does the operating LED in display PCB
Ass'y blink 9 times?
When compressor does not operate normally.
■
DC Peak Error(Error Code
)
Trouble 7-3
YES
Is the connecting state of connectors in out-
door Sub. PCB Ass'y right?
(CN-UVW, CN-IPM, CN-Gate 1, CN-Gate 2)
• Electrical wiring diagram (Colors)
• Check the connecting state of connectors
in PCB Ass'y(Main/Sub)
• If CN-UWV is connected, the comprressor
can be operated a opposite direction.
NO
YES
Is the power module in Sub PCB Ass'y
right?
• Check the short P-N P-U, V, W, and N-U,
V, W of IPM and then collector, emiter of
IGBT
• Replace the Sub PCB Ass'y.
NO
YES
Is the voltage of CN-AC over than
AC170V?
Check the supplied voltage.
NO
YES
Is the voltage of CN-DC over than about
DC260V?
• Check CN-IPM connector(Pin No. 12)
• Replace the Sub PCB Ass'y.
NO
YES
Replace the PCB Ass'y.
• Main PCB Ass'y
• Sub PCB Ass'y
• Control Box Ass'y
Содержание A2UN186FA0
Страница 104: ... 104 Electronic Control Device 1 Room Type Indoor Unit MAIN P C B DC ASM MAIN P C B AC ASM ...
Страница 105: ... 105 2 Cassette Type Indoor Unit MAIN P C B DC ASM ...
Страница 106: ... 106 3 Art Cool Type Indoor Unit TOP VIEW BOTTOM VIEW ...
Страница 107: ... 107 4 Convertible Type Indoor Unit ...
Страница 108: ... 108 5 Display ASSY Room Type Indoor Unit Convertible Type Indoor Unit Art Cool Type Indoor Unit TOP VIEW BOTTOM VIEW ...
Страница 109: ... 109 6 SUB P W B ASSEMBLY Art Cool Type Indoor Unit TOP VIEW BOTTOM VIEW ...
Страница 110: ... 110 7 Outdoor Unit MAIN P C B ASM V P U N W ...
Страница 111: ... 111 Schematic Diagram 1 Room Type Indoor Unit ...
Страница 113: ... 113 3 Art Cool Type Indoor Unit ...
Страница 114: ... 114 4 Convertible Type Indoor Unit RY 4WAY RY OUTFAN ...
Страница 120: ... 120 354212 249951 268714 266012 352114 263230 352118 330870 158591 3 Cassette Type Indoor Unit AMNN126EA0 AMNN186TEA0 ...
Страница 121: ... 121 346810 130411 359011 152312 135802 135312 2 W0CZZ 137211 267110 352150 352150 130911 140570 268712 146811 ...
Страница 132: ...P No 3828A20097N August 2003 Printed in Korea ...