Cycle Troubleshooting Guide
The product is not operate with the remote controller.
Turn on Main Power
While the compressor has been stopped, the compressor does not
operate owing to the delaying function for 3 minutes after stopped.
Caused by other parts except the remote control
Cause by the remote control
When the mark( ) is displayed in LCD screen, replace
battery.
Check the contact of CN-DISP1 connector.
When the compressor stopped Indoor Fan is driven by a low speed.
At this point the wind speed is not controlled by the remote controller.
(When operated in the Sleeping Mode, the wind speed is set to the
low speed by force.)
Check Display PCB Assembly
- Voltage between CN DISP1
-
: DC +5V
Check the connecting circuit between the remote controller
MICOM (No. ) - R16(1.5k) - IR LED - TR - R17(1
Ω
).
or
MICOM (No.
) - R1(1.5k) - IR LED - TR - R2(1
Ω
).
Check point
• Check the connecting circuit between CN-DIS1
-
R11L(100
Ω
) - C01A(100nF) - MICOM PIN
• Check Receiver Assembly
61
Service Manual 35
Содержание T2UC182FAA
Страница 15: ...Service Manual Electronic Control Device Outdoor Unit 15 ...
Страница 16: ...Multi Air Conditioner Electronic Control Device Display P C B ASM 16 ...
Страница 18: ...Schematic Diagram 18 Multi Air Conditioner ...
Страница 25: ...25 Service Manual Operation Details Remote Control Operations ...
Страница 40: ...Multi Air Conditioner Installation 40 ...
Страница 51: ...P No December 2007 Printed in China ...