–44–
Possible Trouble 3
: Auto Air direction louver does not operate.
Possible Trouble 4
: Wired remote controller does not operate.
YES
NO
YES
Is IC01M operated
normally?
Is the PIN 10 of
CN-AC2 DC12V?
Check the step motor
and connector.
(CN-AC2, AC1)
Check the main P.C.B
DC12V pattern.
NO
Exchange IC01M.
NO
YES
YES
YES
Is the LCD operated
normally?
Is the terminal of wired
Remocon T2 DC12V?
Is the pin 31, 32 of
Micom DC 5V?
Change the wired Remocon.
Check the wired Remocon
PCB and DC 12V pattern.
NO
NO
Check the parts of
communication.
Connector CN-Remo, and
terminals of wired
Remocon exactly.
Содержание LT-B2421CL
Страница 13: ...Wiring Diagram 1 Indoor Unit 1 COOLING ONLY 2 HEAT PUMP 13 ...
Страница 46: ... 46 Electronic control device MAIN P C B ASM ...
Страница 47: ...Schematic Diagram 47 ...
Страница 50: ... 50 130911 3 130911 1 130911 2 152302 146812 267110 2 140570 359011 346810 135312 137213 267110 1 ...
Страница 86: ...P No 3828A30023K December 2000 Printed in Korea P No 3828A20023K December 2000 Printed in Korea ...