Fault Analysis - Trane MW(C)W509 Installation & Operation Manual

Fault analysis

Do not repair the air conditioning unit by yourself. Improper repair may cause electric
shock or fi re. If you need help, please contact Trane customer service center, inviting
professionals. Check followings may save your time and money before calling.
If you fi nd following conditions, please abort operation and cut off main power supply, then
contact Trane customer service center.
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Attention
Phenomenon
Startup air conditioning is not running
Smell comes out when startup
Sound slight running water during running
Mist comes out from the air outlet
sometimes during cooling
Squishing sound comes out during and
after operation
The air conditioning can not work
Poor air conditioning cooling (heating)
performance
The remote controller can not work
A harsh sound comes out during operation.
The fuse or protector is always disconnected.
Pour impurities or water into the machine accidentally.
Water leakage happens indoors.
Abnormal power supply cord heat.
Repugnant smell comes out in operation.
Analysis
3 minutes delay caused by overload protection switch
Room air or smoke inhaled before comes out when air
change
Sound of fl owing refrigerant internal
Quick cooling of room air
Scraping noise of parts such as panel expansion caused
by temperature variation
Power failure, power supply not connected
Circuit protector trips, high or low voltage
Remote controller auto ON is not set
Improper setting temperature
Blocked air inlet/outlet of the indoor unit
Blocked air strainer
Door or windows is open
Fan speed gear is at low , other heat source in the room
Remote controller may crash when replace the battery or
others. In Please remove the back cover and press RESET
button to recover. When the air conditioning is interfered
abnormally or the function conversion is too often, you
can not control the remote controller accidentally. Just cut
off main power and re-energized to recover.
Out of receiving range, blocked by barriers.
Check and replace batteries if necessary.
AMS-SVX03A-EN