Sinclair ASC-60AN, Руководство пользователя

Страница: 8 / 20

Symptom 4: Noise of air conditioners cooling
Symptom 4.1: Indoor unit
■ A continuous low "shah" sound is heard when the
system is in cooling operation or at a stop.
When the drain pump (optional accessories) is in
operation,this noise is heard.
■ A "pishi-pishi" squeaking sound is heard when the
system stops after heating operation.
Expansion and contraction of plastic parts caused by
temperature change make this noise.
Symptom 4.2: Indoor unit, outdoor unit
■ A continuous low hissing sound is heard when the
system is in operation.
This is the sound of refrigerant gas flowing through both
indoor and outdoor units.
A continuous low hissing sound is heard when the system
is in operation.
This is the sound of refrigerant gas flowing through both
indoor and outdoor units.
■ A hissing sound which is heard at the start or
immediately after stopping operation or defrost operation.
This is the noise of refrigerant caused by flow stop or flow
change.
Symptom 4.3: Outdoor unit
■ When the tone of operating noise changes. This noise is
caused by the change of frequency.
Symptom 5: Dust comes out of the unit
■ When the unit is used for the first time in a long time.
This is because dust has gotten into the unit.
Symptom 6: The units can give off odors
■ The unit can absorb the smell of rooms, furniture,
cigarettes, etc., and then emit it again.
Symptom 7: The outdoor unit fan does not spin.
■ During operation. The speed of the fan is controlled in
order to optimize product operation.
8. TROUBLESHOOTING
8.1 Troubles and causes of air conditioner
If one of the following malfunctions occur, stop operation,
shut off the power, and contact with your dealer.
■ The operation lamp is flashing rapidly (5Hz).
This lamp is still flashing rapidly after turn off the power
and turn on again. (See in Table 8-1)
■ Remote controller receives malfunction or the button
does not work well.
■ A safety device such as a fuse, a breaker frequently
actuates.
■ Obstacles and water enter the unit.
■ Water leaks from indoor unit.
■ Other malfunctions.
If the system does not properly operate except the above
mentioned cases or the above mentioned malfunctions is
evident, investigate the system according to the following
procedures. (See in Table 8-2)
8.2 Troubles and causes of remote controller
Before asking for serving or repairing, check the following
points. (See in Table 8-3)
NO.
Malfunction running lamp timer lamp defrosting lamp alarm lamp
display (nixie
tube)
1
In-outdoor unit communication checking
channel is abnormal
Quick-flash Quick-flash E1
2
Room temperature sensor checking
channel is abnormal
Quick-flash E2
3
Evaporator sensor malfunction Quick-flash E3
4
Condenser sensor malfunction Quick-flash E4
5
Water pump temperature sensor Quick-flash E5
6
Outdoor malfunction Quick-flash Quick-flash Quick-flash Quick-flash E6
7
EEPROM malfunction Quick-flash Quick-flash E7
8
Water-level alarm malfunction Quick-flash E8
9
DC motor speed out of control Quick-flash Quick-flash Eb
10
Outdoor unit low pressure malfunction Quick-flash Quick-flash Quick-flash Ed
11
Lifting panel communication checking
channel is abnormal
Quick-flash Quick-flash Quick-flash F0
12
Lifting panel malfunction Quick-flash Quick-flash Quick-flash F1
13
Lifting panel is not closed On Quick-flash Quick-flash F2
14
Refrigerant leakage detection malfunction Quick-flash Quick-flash EC
Table 8-1