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Page 74
Check the wirings and
connec
�
on.
The unit is opera
�
ng normally.
5.7
E7 (Indoor PCB /Display board communica
�
on error)
Descrip
�
on
: Indoor PCB does not receive feedback from Display board.
Recommended parts to prepare:
• Wiring mistake
• Faulty PCB
• Display board malfunc
�
on
Troubleshoo
�
ng and repair:
Power o
ff
, then restart the unit
2 minutes later.
Is it s
�l
l displaying
the error code?
NO
YES
Are all the
Correct the connec
�
on
connec
�
ons
good?
NO
or replace the Wirings.
YES
NO
Replace the Display board.
Replace the indoor main
PCB.
Is the error
ex
�
nguished?
Tr
o
ub
le
s
h
oo
ti
ng
Содержание FAVORITE ON-OFF Series
Страница 1: ...FAVORITE Service Manual 2019 ON OFF Series...
Страница 3: ......
Страница 5: ......
Страница 79: ...Page 76 Contents i Temperature Sensor Resistance Value Table for T1 T2 T3 and T4 C K 77...