Toshiba RAV-SM304MUT-E Service Manual page 56

[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 – 3 pin of CN068 on the indoor P .C. board is 220–240V.
[F10 error]
Is connection of TAsensor connector
(indoor P.C. board CN104) nornal?
Are characteristics of TA sensor resistance value normal?
Check indoor P.C. board (MCC-1402).
Defective → Replace
AMP Air Conditioning
NO
NO
Is circuit wiring normal?
Check and correct wiring
NO
Is power of
drain pump turned on? ∗
YES
Replace drain pump.
Check wiring.
YES
YES
∗ Refer to Characteristics-1.
YES
NO
and wire circuit.
Are connector pins 1 and 3
NO
at drain pump unit side shorted
(Resistance value 0)?
YES
Replace drain pump
and indoor P.C. board
(MCC-1402).
NO
NO
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Correct connection
of connector.
NO
Check indoor P.C. board
(MCC-1402).
Defect → Replace
Connect connector
of connector.
Replace TA sensor.