Service manual

ESIE03–01 Troubleshooting
Part 3 – Troubleshooting 3–7
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1.4 Procedure of Self-Diagnosis by Remote Controller
The Inspection/Test
Button: explanation
By turning the remote controller’s inspection/test button ON, you can change the mode as shown in
the figure below.
Indoor unit settings can be made
P Filter sign time
P Air flow direction
P Others
Service data can be obtained.
P Malfunciton code history
P Temperature data of various section
s
Service settings can be made.
P Forced fan ON
P Air flow direction/volume setting
Depress Inspection/Test Operation
button for more than 4 seconds.
Following codes can be checked.
P Malfunction codes
P Indoor model code
P Outdoor model code
Press Inspection/Test Operation button once.
Press Inspection/Test Operation button once.
Press Inspection/Test Operation button once.
Or after 30 minutes.
Depress Inspection/Test Operation
button for more than 4 seconds.
Press Inspection/Test Operation
button once.
After 10 seconds
Thermostat is forcibly turned on.
Local
setting
mode
Service
mode
Normal
mode
Inspection
mode
Test
operation
mode