Daikin Super Multi Plus E-Series FTXG25EV1BW, Руководство по обслуживанию

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Troubleshooting with LED SiBE18-821_C
330 Troubleshooting
1.2 BP Unit
i
: ON,
h
: OFF,
j
: Blinks, —: No matter
Green : Blinks in normal condition
Red : OFF in normal condition
Note: Turn the power off then on again. If the LED display recurs, the BP unit PCB is defective.
BP Unit LED Indication Description
Green Red
A 1 2 3 4
j h h h h
Normal condition
j i h h h
Defective electronic expansion valve or anti-icing control in non-operating
indoor unit
j i i h h
Defective thermistor
j i h i i
Freeze-up protection control in operating indoor unit or standby indoor unit
i
— — — — Defective BP unit PCB (see note.)
h
— — — — Power supply abnormality (see note.)
LEDA (H1P)
LED1 (H2P)
LED2 (H3P)
LED3 (H4P)
LED4 (H5P)
(Q0395)