Mitsubishi Heating & Cooling - Page 8 - Recent Questions, Troubleshooting & Support


Are you using the AC unit as a Heat Pump-- and was it working before this very cold weather came thru?-- How cold is itoutside now?
Let's figure this out together.. Mack

Mitsubishi... | Answered on Nov 23, 2016


It requires surgery to remove the beeper :) seriously, find a local nerd to go in, not hard to do, and yank out the little piezo buzzer. I've had customer that wanted the same, factory said sorry no dice.

Mitsubishi Mr.... | Answered on Oct 15, 2016


Can you turn it on with the pad on the unit?

Mitsubishi... | Answered on Aug 06, 2016


If you are a technician, then the first thing to do is to see what the actual fault that caused the lock out is. This is found on the control board in the outdoor unit. There should be LED's on the board that will give a trouble code. The fault MUST be corrected or the logic in the board will just keep locking the system out. The issue may be due to a failed component, low charge, faulty sensors, power outages, etc. It is really difficult for anyone to give a specific fix without looking at it to see what the fault is. I would definitely NOT recommend attempting a fix if you are not a trained technician due to the high voltage hazards and the specialized tools needed to work on the system. If you are a homeowner, I would recommend recycling power at the indoor and outdoor unit, then if it faults out again....call a technician. Leave the power off for 5-15 minutes to allow the system to completely de-energize, then turn it back on. Hope this helps.

Mitsubishi... | Answered on Jul 25, 2016


I would contact a professional when it comes to mold problems. Best to you and leave feedback for I am new!

Mitsubishi... | Answered on Jul 14, 2016


Reason for water leaking.
1. Filter block. 2. Cooling coil block. 3. Alignment of indoor a/c unit is sloping downwards. 4. Drain pan block. It's advisable to service your unit first.

Mitsubishi Mr.... | Answered on Jul 07, 2016


Try cleaning it and spray with an antibacterial spray. When the unit is running in cool mode it condensates and creates a moist environment inside the ac perfect for mold growth, some units have a coil dry mode which runs the fan to dry out the system after use.

Mitsubishi Mr.... | Answered on Jun 22, 2016


Have you tried looking up a app on a smart phone. I use my Note 4 to control my t.v., cable box and bose stereo.

Mitsubishi... | Answered on Jun 22, 2016


If you wish to get more details; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. Common set-up codes to check with TVs and other devices are given, in the order of the "device's brand name list" in alphabetical order. Pull up older posts.
http://electronicshelponline.blogspot.com/
http://electro-medical.blogspot.com/
http://remotesearch.blogspot.com/
http://electrohelponline.blogspot.com/

Mitsubishi... | Answered on May 16, 2016


check on t-stat ad see if the fan is on or auto with fan on the fan will run all the time with fan on auto it only runs with a call for cooling or heating .

Mitsubishi Mr.... | Answered on Apr 24, 2016

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