Jonesborough, Tennessee · 2026-06-09

Dometic Rooftop AC Diagnosis in Jonesborough

Motorhome · Air conditioner repair · Follow-up needed

Customer complaint

What the customer noticed

The front rooftop air conditioner was not cooling properly. Both Dometic AC units were inspected.

Diagnostic findings

What inspection and testing revealed

The rear AC had a temperature split above 22 degrees. The front compressor drew 8.97 amps against a 13.2 RLA rating, indicating a sealed-system refrigerant problem.

Work performed or recommended

What Sunset did or recommended

Tested both rooftop units and ordered a replacement for the front AC.

Outcome and next step

Where the service call stands

Replacement was scheduled when the new unit arrived. A later visit installed a Dometic FreshJet 4 and new thermostat.

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