Question about Mitsubishi Mr. Slim MXZ30TN Air Conditioner
Those blink is a code and you can look at the unit wiring diagram section and it would tell you what those code mean
Posted on Dec 27, 2017
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Posted on Jan 02, 2017
The Mitsubishi units have to be reset by turning off the indoor units by switching the remote or thermostat to off. Then turn off the breaker to the outside unit(s). After 30 seconds,turn on the breaker and then you can turn on the remote for cool. If no lights come on on the inside units, most likely you have blown a fuse soldered on the main PC board. At this point, call your technician. A goos tech will be able to wire in an in-line fuse holder so if it should happen again, you can easily replace the fuse. If you do see a light or two come on at the indoor unit but the outdoor unit does not start after 3 or 4 minutes, sounds like you will need to call a technician. Most likely you have a blown fuse on the main PC board of the outside unit. It is not an easy one to replace. Good Luck!
Posted on Sep 04, 2007
Check your filters, dog hair and lack of maintenance will definitely burden the cooling mode of the Mr Slim units.
Posted on Aug 24, 2009
Could be a wiring problem or a lack of refrigerant. All you can do is professionally have the unit checked and serviced.
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Posted on Jun 28, 2010
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