Toshiba RAV-162BH-PE Service Manual page 50

6.4 Malfunction check monitor
6.4.1 The times of compressor ON as well as the check code are displayed on the time display area by
pressing CHECK key.
Check code
Unit No.
Judgement from operation status
OPERATION
Compressor stays off in cooling: it is not turned off in
heating.
1.
Compressor stays off in heating: it is not turned off in
cooling.
Indoor fan stays off in heating.
2
Outdoor fan continues ON-OFF operation in
heating.
3. Though indoor unit operates, outdoor unit remains
off.
4. Indoor fan does not work in heating operation.
Warm air comes out in cooling operation.
5. Indoor fan at LOW speed in cooling operation with
the outdoor remaining in stoppage.
6. Full stop
7. Full stop
8. Full stop
9 I d it d t
Note : If the red LED on the remote controller does not flash when the system is switched on, then the wiring to the outdoor unit needs to be
checked to ensure that the three phases are wired in the correct sequence. (RAV-262AH8 unit only.)
Tel: 01823 665660
Heronhill - for all your Toshiba requirements
STATUS
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[CHECK] switch
Provides check code display by
pressing for one second and indoor
microcomputer reset by pressing
for 5 seconds.
* Remote controller clear by press-
ing the key for 10 sec. Check code
is cleared (normally not used).
(a) Reset key (pushed by a needle and
the like). Resetting remote controller
(to the initial setting).
(a)
COD CAUSE
Open-circuit in room temperature
sensor.
0C
Short-circuit in room temperature
sensor.
Open-ciruit in indoor heat-exchanger
sensor.
0d
Short-circuit in indoor heat-exchanger
sensor.
Abnormality in connecting cable
04
between indoor and outdoor units.
4-way valve coil burnt out, pipe
08 clogged, abnormality in indoor
heat-exchange sensor.
Refridgerant gas in shortage.
09 abnormality in indoor heat-exchange
sensor.
Open or short-circuit in outdoor TE
18
sensor.
Open or short-circuit in indoor TL
19
sensor.
Pressure switch does not reset within
21
the set time.
Abnormality in connecting cable
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Fax: 01823 665807
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* With drain pump units only