Troubleshooting; Problem - Solution - Toyotomi NTN-928R32 User Manual

TROUBLESHOOTING

Do not repair the air conditioner by yourself as wrong service and maintenance may cause electric shock, fire or explosion.
Please contact the authorized service and let the licensed professional conduct the service and maintenance of your air
conditioner. Please check below cases before contact the service as problem might be solved without the interference of
service.
PHENOMENON

PROBLEM - SOLUTION

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The air conditioner does not
work 
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The air conditioner can't run
after the immediate start-up
after it is shut down
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Air conditioner stops running
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after it starts up for a while
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Cooling or Heating
performance is not satisfying
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Indoor unit blows out odor
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Power failure
Wait until power recovers
Power plug may be loosed out from the socket
Place properly the plug in the socket
Power switch fuse may be blow
Replace the fuse
TIMER is on. The time for timing boot is yet to come
Wait or cancel TIMER setting
If the air conditioner is turned on immediately after it is turned off, the protective
delay switch will delay the operation for 3 to 5 minutes. This is self-compressor
protection procedure.
Setting temperature has been reached
It is a normal function phenomenon
May be at defrost state
It will automatically restore and run again after defrosting
TIMER is on
Wait or cancel TIMER setting
Excessive accumulation of dust on filter is blocking air inlet and outlet
Clean the air filters and remove the obstacles from air inlet and outlet
Voltage is too low
Wait until voltage resumes to normal levels
Air conditioner is working in AUTO mode
During AUTO mode, temperature cannot be changed. If you wish to change the
temperature change the mode of air conditioner
The angle of the louver blades is too small
Regulate the angle of the louver blades so the air flow can run freely
Poor Cooling or Heating may be caused by open doors and windows.
Close the doors and windows
Mode setting is incorrect. Temperature and fan speed settings are not appropriate
Re-select the mode and set the appropriate temperature and fan speed
Odor from the environment has been accumulated inside indoor unit
Clean the air filters and activate the self-clean function
9
GB