Troubleshooting Guide
34
Ceiling Cassette Air Conditioner
Electronic Parts Troubleshooting Guide
The Product doesn’t operate at all.
Turn off the main power and wait until LED on outdoor PCB is off
Turn on the main power again.
Does the Operating LED of indoor unit blink
When Operation's ON?
Refer to the self-diagnosis function.
Is the Connection between CN-POWER of indoor
unit and terminal block?
Check the connecting state of connector
Is the Connection of cable between indoor and
Outdoor unit right?
Check the diagram wiring on the control panel
Is the voltage of CN-POWER in outdoor
PCB ASS'Y about AC220/240V?
Check the main power.
Check the Fuse of outdoor PCB Ass'y.
Check the connecting state of wires
Confirm Auto Addresssing work method
Check the Auto Addressing Work
Replace the PCB Ass'y
* The product's operation starts at three minutes after main power turning on
Trouble 1
Содержание LC240CP
Страница 20: ...20 Ceiling Cassette Air Conditioner Wiring Diagrams 1 Indoor Unit LCN240CP Wiring Diagrams ...
Страница 21: ...Service Manual 21 Wiring Diagrams LCU240CP LCU380CP 2 Outdoor Unit ...
Страница 53: ...Electronic Control Device Service Manual 53 Electronic Control Device Ceiling Cassette Type Main P C B ASM ...
Страница 64: ...P No 3828A20911A Printed in Korea ...