Service Manual 59
Troubleshooting Guide
• The operation indicator of Indoor unit blinks five times.
• The red indicator of Outdoor unit blinks five times.
Check the connecting wires between Indoor and Outdoor unit for the
connecting error and the contacting condition.
Check the installation condition of outdoor unit.
Check for the communication error and the operating condition of product
after also operating with the remote controller, then taking above 2 minutes.
Apply the power again after about 20 seconds by the power of Outdoor unit
is off.
Check for the communication error and the operating condition of product
after also operating with the remote controller, then taking above 2 minutes.
Check the PWB assembly of Indoor and Outdoor unit.
If the connecting wires of Indoor and Outdoor unit are not connected within 2 minutes after the power of
Outdoor unit is applied, a communication error will occur. Therefore, the power should be applied after connect-
ing them.
When a comunication error occurs.
Summary of Contents for Art Cool LS090CE
Page 62: ...62 Room Air Conditioner Schematic Diagram Schematic Diagram Electric Control Device Indoor ...
Page 63: ...Service Manual 63 Schematic Diagram Outdoor 9k 12k ...
Page 64: ...64 Room Air Conditioner Outdoor 18k 24k ...
Page 65: ...Service Manual 65 Wiring Diagram Indoor Unit Models 9k 12k 18k 24k ...
Page 67: ...Service Manual 67 Models 18k C O Models 18k H P 24k C O H P Schematic Diagram ...
Page 69: ...Service Manual 69 Outdoor 9k 12k TOP VIEW BOTTOM VIEW Schematic Diagram ...
Page 70: ...70 Room Air Conditioner Schematic Diagram Outdoor 18k 24k TOP VIEW BOTTOM VIEW ...