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Page 69
Power o
ff
, then restart the unit a
�
er 2 minutes.
Does a problem remain?
The unit is opera
�
ng normally
Is it normal?
Replace the outdoor PCB.
Power on.
Is the error
resolved?
The voltage is a
certain value
Check the indoor wiring
connec
�
ons
Is it normal?
Replace the indoor PCB.
Power on.
Is the error resolved?
5.3
E1 (Indoor and outdoor unit communica
�
on error)
(only for 22k models)
Descrip
�
on
: The indoor unit has not received feedback from the outdoor unit for 120 seconds.
Recommended parts to prepare:
• Indoor PCB
• Outdoor PCB
• Reactor
Troubleshoo
�
ng and repair:
NO
YES
Measure Vs. (Vs is the voltage between S and N of
outdoor unit. Red pan-S, Black pan-N)
Is the voltage moving
alternately between Posi
�
ve and
NO
nega
�
ve?
N O
The voltage moves alternately with
posi
�
ve value.
Check the outdoor wiring connec
�
on.
YES
NO
NO
NO
Replace the indoor PCB.
Replace the outdoor PCB.
Tr
o
ub
le
s
h
oo
ti
ng
Содержание FAVORITE ON-OFF Series
Страница 1: ...FAVORITE Service Manual 2019 ON OFF Series...
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Страница 5: ......
Страница 79: ...Page 76 Contents i Temperature Sensor Resistance Value Table for T1 T2 T3 and T4 C K 77...