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Phil, Mechanical Engineer
Category: HVAC
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Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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The outside unit of my Trane 9,000 btu 18 SEER Mini-Split

Customer Question

The outside unit of my Trane 9,000 btu 18 SEER Mini-Split system is covered with ice and has shut down. I do not know what to do.
Model - 4MXW8509
4TXK8509
Is it possible this system has a safety shut off in case of a problem of this or other kind?
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Unit should have a self thawing defrost timer. Sounds like it is not going into defrost. Best thing to do until you can get a technician out is to locate disconnect by unit or breaker in power panel and kill power to the unit.

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