Question about Mitsubishi MSZ09UN Air Conditioner
This s seldom normal with Air conditioning units to stop and restart at periodic intervals usually it is as a result of the temperature of the unit which fluctuates. The thermostat is always responsible for this function as it regulates at what temperature the unit cuts of power to ensure the life of the unit lasts quite a while.
Bt if the time at which the cut off takes place is shorter than usual then this is a sign that the thermostat is becoming weak and would need replacement as the level of heat resistance it can take has reduced. This diagnosis is a general one with air conditioners so get an expert to identify the location of the thermostat so you can order a replacement part for it.
Hope this solution has been helpful?
Posted on Mar 24, 2011
The most common cause for the unit to cycle like that would be a low charge situation.
If you are low on freon the unit will cutout on low pressure and then when off the pressure will go back up and the cycle starts all over agian.....
Get a certified professional to check the unit out and fix the leak so that once recharged the unit will hold the freon.
The most common place for them to leak is the piping connection behind the indoor unit...although it could be the connection at the outdoor unit also...
These are flare connections and they can and do loosen up over time from the vibration...
Posted on Mar 24, 2011
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Posted on Jan 02, 2017
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