Toshiba RAV-HM301MUT-E Service Manual page 63

[P19 trouble]
Is operation of 4-way valve normal?
(Check the pipe temp., etc.
during cooling/heating operation.
YES
Replace outdoor temperature sensors.
TE sensor
TS sensor
Indoor TC sensor
[F02 trouble]
Is connection of TC sensor connector
(CN101 on Indoor P.C. board) correct?
YES
Are characteristics of
TC sensor resistance value normal?
YES
Replace indoor P.C. board (MCC-1643).
[F01 trouble]
Is connection of TCJ sensor connector
(CN102 on Indoor P.C. board) correct?
YES
Are characteristics of
TCJ sensor resistance value normal?
YES
Replace indoor P.C. board (MCC-1643).
NO
NO
NO
∗ Refer to TC Characteristics.
NO
NO
∗ Refer to TCJ sensor
(Temperature-Resistance value characteristic table)
Refer to the service manual of the outdoor unit.
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Correct connection of connector.
Replace TC sensor.
Correct connection of connector.
Replace TCJ sensor.