Toshiba RAS-24UKX Service Manual page 51

No. Procedure
5 Press [START/STOP] button once
to start the unit.
• Shorten the time of the restart
delay timer.
• Set the operation mode to COOL.
• Set the fan speed level to AUTO.
• Set the preset temperature much
lower than the room temperature.
(The unit (compressor) operates
continuously in the above
condition.)
6 Connect the motor connector to the
motor and turn on the power supply.
Start the unit in the following
condition.
• Set the operation mode to FAN.
• Set the fan speed level to HIGH.
(The unit (compressor) operates
continuously in the above
condition.)
Table 9-8-2 Approximate resistance value of thermo sensor
Temperature
Resistance value
9-8-2. How to reduce the operation time of the
anti-restart timer
(1) Set the operation mode, temperature, and air flow
rate to be applied with the timer short mode.
(2) Push the [CNL] button while keeping [CHK] button
pushed. in this case, the check mode is released,
and the timer short mode is waited.
(The status is kept even if [CHK] and [CNL]
buttons are released.)
(3) Pushing [START/STOP] buttons sends operation
code + timer short code.
(4) The timer short mode is released by only a
transmission. Therefore, repeat steps from (2) to
perform the timer short mode again.
Check points
1. Check whether or not the compres-
sor operates.
2. Check whether or not the OPERA-
TION lamp blinks.
1. Check it is impossible to detect the
voltage (DC 15V) between 3 and
4 of the motor terminals.
2. The motor does not operate.
(But it is possible to receive the
signal from the remote control.)
3. The motor rotates but vibrates
strongly.
0°C 10°C
35.8 20.7
– 50 –
FILE NO. SVM-01010
1. The temperature of the indoor
heat exchanger is extremely low.
2. The connection of the heat
exchanger sensor is loose.
(The connector is disconnected.)
(CN01)
3. The heat exchanger sensor and
the P.C. board are defective.
(Refer to Table 9-8-2.)
4. The main P.C. board is defective.
1. The indoor fan motor is defective.
(Protected operation of P.C. board)
2. The connection of the motor
connector is loose.
3. The P.C. board is defective.
20°C 25°C
12.6 10.0
TEMP.
START/STOP
AUTO SET FAN
MODE ECONO
ACL CHK
TIMER
ON OFF RSV CNL
WC-E1BE
Causes
(kΩ)
30°C
7.92
[CHK] botton
[CNL] botton