Diagnosis by LED Si10-417
2 Service Diagnosis
1. Diagnosis by LED
1.1 Indoor Unit
The operation lamp flashes when any of the following
errors is detected.
1. When a protection device of the indoor or outdoor unit
is activated or when the thermistor malfunctions,
disabling equipment operation.
2. When a signal transmission error occurs between the
indoor and outdoor units.
In either case, conduct the diagnostic procedure
described in the following pages.
Wall Mounted Type
ON
OFF
Indicator lamps
Operation lamp (green)
Operation lamp (green)
Indicator lamps
Si10-417.fm Page 2 Wednesday, September 22, 2004 6:38 PM
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