Toshiba RAV-SM564UT-E Service Manual page 136

Toshiba SDI / DI tuotteiden jälleenmyyjä pääkaupunkiseudulla on Jäähdytinpalvelu RefGroup Oy.
10-2-10. Diagnostic Procedure for Each Check Code (Outdoor Unit)
• This section describes the diagnostic method for each check code displayed on the remote controller.
In some cases, a check code indicates multiple symptoms.
Check code
[E04] [Indoor/Outdoor communication error]
Is setting of group address of remote controller correct?
Are inner wiring and inter-unit cables (1, 2, 3) normal?
[F04] [Discharge temp. sensor (TD) error]
[F06] [Heat exchanger temp. sensor (TE) error]
[F08] [Outside air temp. sensor (TO) error]
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
YES
YES
Is wiring of terminal blocks (1, 2, 3) normal?
YES
Is CN601 connection normal?
Is resistance value of TD sensor normal?
YES
Is CN600 connection normal?
Is resistance value of TE sensor normal?
YES
Is CN602 connection normal?
Is resistance value of TO sensor normal?
YES
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NO
NO
NO
NO
NO
NO
– 136 –
<In case of SP40, SP45>
Check Item code [14].
Correct wiring
and inter-unit cable.
Correct wiring
of terminal blocks.
Check outdoor P.C. board.
Defect → Replace
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace