Toshiba RAV-HM301SDTY-E Service Manual page 47

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[P10 error]
Is connection of
float switch connector
(Indoor control board CN34)
normal?
YES
Does float switch work?
YES
Does drain pump work?
YES
Check the drain pipe, etc.
∗ Check that voltage of 1 – 2 pin of CN504 on the indoor P.C. board is Approx., 12V.
[F10 error]
Is connection of TAsensor connector
(indoor P.C. board CN104) nornal?
A
e r
c
h
a
a r
c
e t
i r
i t s
s c
f o
T
Check indoor P.C. board (MCC-1643).
Defective → Replace
NO
NO
NO
Is power of
drain pump turned on? ∗
YES
Replace drain pump.
Check wiring.
YES
A
s
e
n
s
r o
e r
s
s i
a t
n
c
e
a v
u l
e
YES
∗ Refer to Characteristics-1.
Is circuit wiring normal?
NO
Check and correct wiring
and wire circuit.
Are connector pins 1 and 2
N
O
at drain pump unit side shorted
(Resistance value 0)?
Replace drain pump
and indoor P.C. board
NO
NO
n
r o
m
a
? l
– 47 –
Correct connection
of connector.
YES
YES
(MCC-1643).
Check indoor P.C. board
Defect → Replace
Connect connector
of connector.
R
e
p
a l
c
N
O
(MCC-1643).
e
T
A
s
e
n
s
o
. r

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