Troubleshooting; Check Before Contacting Service Center - Delta 86HM050J245 Instruction Manual

6 Troubleshooting

WARNING!
In the event of abnormal conditions (like, stinky smell), please shut off the main power
① .
supply immediately and then contact the Delta appointed service center; otherwise the continuous
abnormal running would damage the air conditioning unit and also would cause electric shock or
fire hazard etc.
Do not repair the air conditioning personally but instead contact the professionally skilled
② .
personnel at the Delta appointed service center, as the incorrect repair would cause electric shock
or fire hazard etc.

6.1 Check before Contacting Service Center

Please check the following items before contacting the maintenance serviceman.
Conditions
The unit does not run
The unit stops soon
after it starts
Cooling/Heating
is abnormal
Note:
If the air conditioner still runs abnormally after the above check and handling, please contact
the maintenance serviceman at the local appointed service center and also give a description of the
error occurred as well as the model of the unit.
Table 13
Causes
Broken fuse or opened breaker.
Power off.
Power supply plug is loose.
Insufficient batteries voltage of the
remote controller
Remoter controller out of the control
scope.
Clogged inlet/outlet of the indoor/
outdoor unit.
Clogged inlet/outlet of the indoor/
outdoor unit.
Improperly set temperature.
Too low set fan speed.
Improper airflow direction.
Opened door and window.
Direct sunlight.
Too much people in the room.
Too much heat sources in the room.
Dirty filter screen.
Change the fuse or close the breaker.
Restart the unit when power on.
Plug the power supply properly.
Change new batteries.
Keep the control distance within 8 meters.
Clear the obstacle.
Clear the obstacle.
Adjust the setting of the remote or wired
controller.
Adjust the setting of the remote or wired
controller.
Adjust the setting of the remote or wired
controller.
Close the door and window.
Hang a curtain or blinds over the window.
Reduce the heat sources.
Clean the filter screen.
16
Corrective Actions