Toshiba RAS-18YKH-E Service Manual page 33

No. Procedure
5 Push the START/STOP button once
to set in operation mode.
1. Setting the anti-restart timer
2. Cooling operation
3. Fan speed : AUTO
4. Set the temperature sufficiently
lower than the room temperature.
5. Continuous operation
6 Connect the motor connector to
"MOTOR" and turn the power ON.
Start operation as follows:
1. Set the operation mode to "FAN
ONLY''.
2. Set the fan speed to "HIGH".
3. Continuous operation
Table 9-3-2 Approximate value of the sensor (thermistor) resistance (TA, TC)
Temperature
Sensor
Thermo. Sensor
9-3-5. How to Reduce the Operation Time of
the Anti-restart Timer
• Drill 2 holes on the rear of the wireless remote
control unit.
Attach the diode (1S1555 or equivalent) to the
rivet inside the unit.
• Push the START/STOP button to start operation
with the diode attached.
Check point (Symptom)
1. The compressor does not operate.
2. The OPERATION lamp flashes.
1. There is a voltage of 120V or more
between the red and black motor
connector leads.
2. The motor does not rotate.
(But the key operation of the remote
control is accepted.)
3. Motor rotates but vibrates hard.
0°C 10°C
35,8 20,7
– 33 –
Trouble cause
1. The temperature of the indoor
heat exchange unit is ex-
tremely low.
2. Defective control P.C. board.
1. Indoor fan motor is failure.
2. Contact of the motor
connector is defective.
3. Main P.C. board is failure.
20°C 25°C
12,6 10,0
Wireless remote control
Fig. 9-3-6
•
( = kW)
•
30°C
7,92
Timer short diode