–40–
2) Indoor fan does not operate.
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
Is the unit
operating?
Is the DC5V at 20 pin
of MICOM?
Is the DC12V at each
terminal of RY1 coil of
SUB PCB ASM?
Replacement IC03M
Is the AC220V (240V)
between "C" and "H" of
SUB P.C.B?
Replacement RY1 of
SUB PCB
Check the motor winding
Replacement RY2 of
SUB PCB
Is the AC220V (240V)
between "C" and "M" of
SUB P.C.B?
Is the DC12V at each
terminal of RY2 of SUB
PCB ASM?
Is the DC5V at 21 pin
of MICOM?
Replacement
MICOM and check
the EVA-Th
ON/OFF S/W ON
Summary of Contents for LP-8091PC
Page 1: ...Package Air Conditioner SERVICE MANUAL MODEL LP 8091PC Библиотека СОК ...
Page 42: ...9 Electronic Control Device 42 9 1 MAIN P C B ASSY ...
Page 44: ...10 Schematic Diagram 44 Circuit and Troubleshooting ...
Page 46: ... 46 14 17 10 19 29 1 13 11 8 1 15 12 8 9 20 22 5 6 7 2 4 3 2 1 16 ...
Page 49: ... 49 Outdoor Unit 4 1 4 2 4 4 4 3 12 8 ...
Page 52: ...P No 3828A30074W April 2000 Printed in Korea ...
