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Troubleshooting
User reference guide
50
ATXM20~50N2V1B
Daikin room air conditioner
4P518786-2F – 2020.05
LED on outdoor unit printed circuit board for 3AMXM series
Green
Red
Diagnosis
Micro-
compute
r normal
Malfunction detection
LED-A
LED1
LED2
LED3
LED4
—
—
—
—
Turn the power off and on again. If the LED display recurs,
the outdoor unit PCB is faulty.
—
—
—
—
Power supply fault
(a)
(a)
May NOT apply in some cases. Refer to the service manual.
Summary of Contents for Siesta ATXM20N2V1B
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