My 9000 Btu Kenwood Continental Series split unit shuts down compressor after every 10-15 minuits regardles of room temp. Gas pressure is OK & I have tried replacenig cooling sensor but to no use. I am running the unit after bypassing cooling sensor. Can anyone help?

You can tell a compressor is running by measuring amp draw but you can check return air temp vs supply air temp. 15 degrees should be minimum temp split.

if it is an inverter type air conditioner ( make not indicated) the unit runs continually but the compressor delivery is reduced thereby reducing the load on the motor
as the room warms up again the compressor starts to pump more gas to keep the room at the desired temp setting
older types shut the compressor down and restarted when the high temp was reached

It's low on refrigerant. Chances are it's on one of the flare fittings where the copper connects to the unit. You should have a one year labor warranty from the installer, should not cost you anything...3 WEEKS???

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replace the thermostat
of course it will not stop if the air in the room is not controlled ( doors open , window open, room to big fore the ac unit or if the temp control is set too low ( 25 c is optimum setting)

If there is 3 indoor units from one condensing unit
(6 pipes at outdoor unit) this is classed as a multi unit

All units will run correctly as long as they all require same mode, cooling or heating, if one unit decides to heat it will shut down until master unit decides to heat then it will start, for each unit to individually heat and cool there would have to be 3 pipes to each indoor,

Your compressor is seized up. shut down unit and let compressor cool down, it may start again but probably needs to be replaced.... sorry for the bad news,

Lets clarify. DRY mode only dehumidifes that air and does not cool. Cool is used for cooling. Dry mode doesn't normally have temp control; it is automatically set by the unit. I think 9000btu is a big unit for the room; it is overkill. I would switch to a 5000btu unit. it cannot be fixed and the BR unit needs to be uninstalled and the new unit needs to be re-installed. The price of commisioning, de-commisioning and new unit is something in which you will have to pay.
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Thankyou
Mat

This information can usually be found on a small plate welded or glued onto the side/rear of your A/C units along with the model & serial #s. Although it would be a highly illogical place to put this plate, you may also want to check the bottom but if you turn the unit upside down, do not turn it on for 24 hours, as the gas & oils will be displaced & you can kill off the compressor by doing so.

sounds like the compressor relay is stuck in the 'on' position .... hence the compressor will not turn off .... to fix it you will need to turn off the main power (unplug) and take off the front panel then look at the circuit board normally the largest relay on the board is the compressor relay ... sometimes you can snap off the cover or break it off at times and clean the contacts ,give it a little spray with some contact cleaner or lub like wd 40 and that should be it .... alternative to this is just changing the circuit board all together ....

This can only be a gas problem.
the split units goes on on and off if a shortage of gas is involved, the chances that you would here it wont be that big for the fans would make too much noise.
get a repair man for a re gas and all is well.

Good luck.

Wouter.