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Fan stops mid cycle but compressor continues to run on my lg split system. The unit then stops cooling. If you let it set for a few minutes it will reset and run for approx 5 minutes.

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Check the fan capacitor, and with the power off to the unit, spin the fan blade to see if it spins freely, if it doesn't then the bearings in the motor are bad,it if does then it's probably the capacitor or if you have a fan switch in the system, then check the switch.

Posted on May 15, 2009

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Posted on Jan 02, 2017

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so your reported figures show that the unit is operating as planned
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the further away from ambient temp the longer it runs for
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the fan control is not for the fan on the top of your outdoor unit. that is for the blower, you have 2 fans. Im guessing you have a split system, 1 unit inside and 1 outside?? Does the outdoor fan continually run??

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

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Hi I have a goodman MSG-18HWN1 heating and cooling mini-split unit. The unit keeps going on and off on a cycle of about 5 minutes. 5 minute, unit not started, unit starts for about 5 minutes, stops for...


Due to abnormal temp of out door.Check outdoor fan motor and compressor and also sensor.
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Hello Hamid,
The unit is designed to run the indoor fanmotors continuously when in cooling mode on both indoor units (evaporators). The reason is that this circulates the air and the temperature thermistor or sensor is able to sense return air temperature and in turn start or stop the outdoor unit and compressor as required according to the setpoint temperature. The reason for either unit not reaching setpoint temperature can be a couple of reasons. A) Incorrect design - the unit may be too small for the application. You can calculate this roughly at 650BTU per square meter of room in a relatively warm ambient climate. Or secondly B) The outdoor unit has leaked and is short of refrigerant. You can check this when the outdoor unit is running by feeling the thicker copper tube on the right hand side of the unit. This should be cool to cold. If no temperature difference is felt, it is short of refrigerant. Hope this helps you. Goodbye

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In fan selector the compressor will autamatic off because no connection attached fan only .

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