Troubleshooting - Carrier AR TXHQB Series Owner's Manual & Installation Manual

Troubleshooting

The unit emits loud or abnormal sounds
Water or other objects fall into or out of the unit
Common Issues
Issue
Unit does not turn on
button
The unit changes from
COOL/HEAT mode to
The indoor unit emits
white mist
Both the indoor and
outdoor units emit white
mist
The indoor unit makes
noises
Both the indoor unit
and outdoor unit make
noises
Possible Causes
selected mode again.
again.
due to moisture generated from the defrosting process.
A squeaking sound may occur after running the unit in HEAT mode due to
expansion and contraction of the unit's plastic parts.
changing direction.
caused by temperature changes during operation can cause squeaking noises.
User manual/
Installation manual
16