-13-
Primary judgement
The indoor part (including the
remote control) is defective.
(Check batteries.)
O.K.
Remote control is not
possible.
Remote control is
possible.
2-1-2. Remote Receiver Fault Functions
RED
YELLOW
GREEN
RED
2. TROUBLESHOOTING
2-1-1. Role of Indoor Unit.
The indoor unit receives operation commands from the remote and monitors or controls the following factors.
•
Measurement of the return air temperature using the sensor (T
A
)
•
Louver motor control
•
Control of the indoor fan motor operation
•
Control of the LED display
•
Control of the outdoor unit compressor and the outdoor fan motor.
2-1.
FAULT FINDING
The L.E.D's on the receiver can display check code information.
Power Failure (When power on)
Service Mode (Selected)
Service Mode (Check code)
High pressure Switch Fault
Operation LED
Flash (1Hz)
Timer LED
Flash (5Hz)
Defrost LED
Flash (5Hz)
Operation LED
Flash (5Hz)
2-1-3 Possible Causes of abnormal operation.
Check
Isolate power supply
and then reconnect
before attempting to
operate the remote
control.
Indoor unit will not operate from
infrared Remote Controller.
System
