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5.0.
TROUBLESHOOTING
•
If the air-conditioning unit operates abnormally, please check the following items before contacting
an authorised service agent.
Table 9: Common Errors and Possible Causes
Failed start up
Stops after a short while of operation
Poor cooling effect
Poor heating effect
Controller not working
NOTICE:
•
If the air conditioner is not operating correctly after the above checks, please contact an authorised
service agent.
26
Errors
LENNOX MULTI SPLIT INVERTER
Slim Line Ducted Indoor Unit
Possible Causes
•
There is no power supply.
•
The breaker is open due to current leakage.
•
Voltage is too low.
•
The air inlet/outlet of the indoor/outdoor
unit is clogged.
•
The air filter screen is too dirty or clogged.
•
There are too many heat sources or people
in the room.
•
The door or window is open.
•
There are obstructions at the air inlet/outlet.
•
The set temperature is too high.
•
The air filter screen is dirty or clogged.
•
The door or window is not closed fully.
•
The set temperature is too low.
•
If the remote control crashes even after the
batteries have been replaced, open the
back cover and press the "ACL" button to
reset it.
•
Check that the remote control is in range of
the unit.
•
Check the receiver is not blocked by
obstacles.
•
For duct type units, operate the remote
control by pointing it at the
•
wired controller.
•
Replace the batteries in the wired controller
is enough.
13 23 50
|
lennoxaus.com.au
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