– 74 –
Check point (Symptom)
1. Is the fuse blown?
Procedure
Shut off the power supply and
remove the P.C. board assembly
from the electronic parts base.
Remove the connecting cable from
the terminal block.
No.
1
Causes
Remove the connector for the
motor, and turn the power on.
If the OPERATION lamp flashes
(0.5 sec. : ON, 0.5 sec. : OFF) when
the power turning on, the checking
points described as 1-3 of right
column are not necessary to
perform.
2
Voltage check
1. Between TP1 and TP2
(220–240V AC)
2. B and - of C03
(310 to 340V DC)
3. Between 15V and GND
4. Between 12V and GND
5. Between 5 V and GND
1.
*
AC power cord is defective.
*
Poor contact of the terminal plate.
*
Miss wiring of the power relay.
2.
*
Capacitor (C01) is defective.
*
Line filter (L01) is defective.
*
Resistor (R05) is defective.
*
Diode (DB01) is defective.
3. Q14, IC08, T01 are defective.
4. IC01, D16, T01, F02 are defective.
5. IC01, IC11, T01, F03 are defective.
Defective indicator, or poor
housing assembly. (CN13)
1. All indicators light for 3 sec.
2. Indicators do not indicate normally
after approximate 3 sec.
Start the operation with the system
which the time of the restart delay
timer is shortened.
3
1. Compressor does not operate.
2. OPERATION lamp flashes.
Make the operation status by pressing
once the [ ] button.
1. The time of the restart delay timer
is shortened.
2. Cool operation
3. Air volume [AUTO]
4. Make the setting temperature lower
enough than room temperature.
5. Continuous operation.
4
1. The temperature of the indoor heat
exchanger is abnormally low.
2. Poor contact of the heat exchanger
sensor. (The connector is
disconnected.) (CN01)
3. Heat exchanger sensor, main P.C.
board are defective.
4. Main P.C. board is defective.
Turn the power on after connecting
the motor connector.
Start the operation with the following
condition.
1. Operation [Cooling]
2. Airflow [High fan]
3. Continuous operation
5
1. Motor does not rotate.
(The key operation is accepted.)
2. The motor rotates, but it vibrates too
much.
1. Poor contact of the motor
connector.
2. Indoor fan motor is defective.
1.
*
Application of shock voltage.
*
Overload by short-circuit of the
parts.
Table 10-8-1
For 16NKV
FILE NO. SVM-05027
Содержание RAS-10GAV-E2
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