AirStage ARXB07LALH, Service Manual

Page: 13 / 207

Fan operation
Louver operation (except duct)
Outlet air temperature
Abnormal sound/abnormal vibration
Water leakage check
Remote controller operation
Indoor unit
individual
operation
Shall be switched to all fan speeds in the cooling mode.
Louver shall be switched to all positions. Shall also swing.
Inlet air temperature and outlet air temperature difference shall be 10°C or
greater.
There shall be no abnormal sound or abnormal vibration.
There shall be no water leakage. There shall be no condensation on the drain,
cabinet, piping, and discharge port.
Shall operate according to the settings. (ON-OFF, set temperature change)
01-05
Judgement standard
Check
Check contents Procedure
These are representative figures of AJYA54LALH at the standard condition. ( Indoor : 27°C, Outdoor : 35°C )
If conditions are different from those above mentioned, the figures will be changed slightly.
It depends on following conditions.
Outdoor unit capacity
Indoor and outdoor temperature
Indoor unit capacity
Pipe length
etc
<Indoor unit service tool + actual measurement>
1. Error occured
- Check on the Error code on the Remote controller or Indoor unit or Outdoor unit or Service tool and
check the description of the Error code.
< Refer to the Trouble shooting in the Service manual.>
< Refer to the Execution of precautions 1-1 and Check item Before power ON 1-2-1>
2. No good performance without error code
- Check if the protection controlling is operating or not
Evaporator Icing up protection, High discharge temperature protection,etc.
< Refer to the part of protection controlling in the Service manual >
- Check on the refrigerant circuit
Refrigerant amount, Pipe blockage, Wrong position of separation pipes etc.
< Refer to the Execution of precautions 1-1 and Check item Before power ON 1-2-1>
< Refer to the regulation of installation in the Installation manual>
Trouble shooting on Test run operation