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I have a WINIA WSH 188AL split unit. It will come on with the remote, give a green Cooling indicator light for 10 seconds then go to the heat indicator and a time delay indicator and the green cool light goes out and it never cools. What could be the problem?? and where can I get a manual with some wiring prints in it??

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Therinnaiguy
  • 1420 Answers

SOURCE: no cooling after power out, indicator lights pattern not in manual

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

bobotfel
  • 236 Answers

SOURCE: No cooling, suction pressure reads vacuum Split AC

The unit is restricted, reprocess the system, flush and vacuum it thoroughly.

Posted on Mar 24, 2008

  • 400 Answers

SOURCE: mistral mss20 split a/c only cooling somtimes 4 about 10 m then

Sounds like your unit may be a bit short of refrigerant and the compressor is therefore cutting out on low pressure.

Posted on Mar 05, 2009

  • 25 Answers

SOURCE: Samsung split AC is not cooling

Most probable short of refrigerant. Would have to have atech put guages on it and check.

Posted on Mar 11, 2010

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