Temperature swings or wrong zone temperature
What it is: Failed temperature sensor, control fault or a weak evaporator fan lets one zone drift away from its set point.
Fix: Read zone temperatures and sensor values, replace the failed sensor, fan or control.
Typical all-in: Quoted in writing
Unit running warm
What it is: A dirty condenser or failed condenser fan makes the compressor overheat and shut down, so the cabinet slowly warms.
Fix: Clean the condenser, replace the fan motor, verify compressor operation.
Typical all-in: Quoted in writing
Condensation, frost or water inside
What it is: Worn door gasket, misaligned door or blocked drain lets humid air in and water pool.
Fix: Replace gasket, align door, clear the drain.
Typical all-in: Quoted in writing
Display dark or buttons unresponsive
What it is: Control board, touch panel or power supply failure.
Fix: Diagnose the control system and replace the failed board or panel.
Typical all-in: Quoted in writing
Compressor runs but won't cool
What it is: Refrigerant leak or compressor failure, confirmed by pressure testing before any quote.
Fix: Sealed-system repair by an EPA 608 certified technician.
Typical all-in: Quoted in writing