AlpicAir ACCMI-26HRDC1A, Руководство пользователя

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DC Inverter Series Cassette Type Unit
8 Troubleshooting and Maintenance
8.1 Troubleshooting
following points before repair:
Table 10
Failure Possible Reasons
ķ
ĸ
switch.
Ĺ
ĺ
The operating keys are locked.
The control loop has failure.
The unit cannot be started.
ķ
ĸ
The unit operates for a
while and then stops.
The power supply is not connected.
Electrical leakage of air-conditioning unit causes tripping of the leakage
Ĺ
above 48°C.
ķ
Poor cooling effect.
ĸ
Ĺ
There is heat source or too many people inside the room.
ĺ
Ļ
ļ There is refrigerant leakage.
Ľ
There is obstacle in front of the condenser.
The control loop is abnormal.
Cooling operation is selected when the outdoor ambient temperature is
The door or window is open.
There is obstacle at the air intake or outlet.
The set temperature is too high.
The performance of room temperature sensor becomes worse
ķ
Poor heating effect
ĸ
Ĺ
ĺ
Ļ
ļ
Control loop is abnormal.
The set room temperature is too low.
. e g a k a e l t n a r e g i r f e r s i e r e h T
The outdoor ambient temperature is lower than -5°C.
33
Note: After carrying out the check of the above items and taking relevant measures to solve the
problems but the air-conditioning unit still does not function well, please stop the operation of the
unit immediately and contact the local service agency designated. Only ask professional
serviceman to check and repair the unit.
“Auto” button It’s used for turning on or turning off the unit. When use this button to turn in the unit,
the unit is under auto mode.
energized.
NOTE:
(1) If the light of indoor unit is turned off, when operating the remote controller to send command, the
display will be on for 3s and then off.
(2) When the wired controller is connected, the indoor unit display is invalid and the unit won’t receive
the remote control command.
“Test” button It’s only used for the test units. This button is only valid within 3mins after the unit is