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No cooling after power out, indicator lights pattern not in manual

\015 After a power outage while 2 of 3 inside units were in "cool" mode, each "cool" unit's left indicator light blinks and the right is off, the unit fan runs, but no cooling is provided. This pattern of indicator lights is not in the Operating Instructions.\015\012\015\012Resolution: The outside unit was not running. I flipped the outside unit breaker off, waited 30 seconds and turned it on; both "cool" inside units continued as before, not cooling. Started the third inside unit in "cool" and it operated correctly, cooling; turned it off. Flipped inside unit breaker off, waited ca. 1 min. and turned breaker on; both "cool" inside unit lights then displayed correctly and both operated correctly, cooling.\015

Answers :

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.\015\012\015\012If 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.\015\012\015\012Good Luck!

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