SiUS122226E Troubleshooting with LED
Part 6 Service Diagnosis 139
2. Troubleshooting with LED
2.1 Indoor Unit
Operation Lamp Check the interval time between blinks of the OPERATION lamp.
Blink every 2 to 3 seconds
If the operation mode is different from the operation mode of the indoor unit in another room, the
OPERATION lamp may blink and operation may not be performed, or operation may stop while in
progress.
COOL, DRY and HEAT operation may not be used at the same time.
Blink every 0.5 seconds
This is a notification of an abnormality.
Conduct the diagnostic procedure described in the following pages.
FVXS Series
R4003515
CTXS, FTXS Series FTXR Series
(R23939)
Operation lamp
(green)
Operation lamp
(multi-monitor lamp)
(R24043)
Operation lamp (green)
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