My Blue Star 1.5 tonne Split AC was not cooling yesterday night. On close watch I figured out that only internal unit was working but fan in outdoor unit was still together with compressor. Whenever compressor starts the whole unit shuts down and then restarts. I had to switch the AC unit off for whole night. In morning, I switched on AC again, it was working fine with perfect cooling. This repeats every year in peak summer time. Can you please help me with the problem?
I'm unclear of your question. Does the outdoor fan come on when the compressor comes on?
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Dirty coil wash outside unit with water and change indoor unit filter
SOURCE: problem with compressor
Normaly on this units the problem is the PC boards if i'm not mistaken they have censors this censors give problems sending the unit to a Protection mode when the units works too hard sounds like thats your problem room 2 big and the High preasure presostat it's telling the unit to stop.
SOURCE: Hi. I recently installed 1.5 T, 3 * Split AC, LG.
Hello
Sounds like the compressor is shuting down on high heat.There could be a couple reasons for this.
1 Check that proper voltage is being supplied to compressor.
2 Freon level may be low.This would be a service call.
3 Bad or intermitent connection at thermostat.
4 Main contacts to compressor sticking,usually burnt or pitted.
SOURCE: AC Starts normally but after some time of coolinf
Probably overheating. Check the outdoor coil and see if it is stopped up with dust, grass etc. If so, disconnect power to the unit, and clean the condenser coil with water or air. Be careful not to bend the fins if you use a water sprayer.
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