Dometic FreshJet FJX not heating within temperature limits

Use this when a Dometic FreshJet FJX in heating mode is not heating near the -2 C lower ambient limit and the setpoint may need to be set higher.

Owner-safe checklist

• Select heating mode from normal controls and set a higher temperature.
• Confirm ambient conditions are above -2 C before judging heat-pump performance.
• Keep air intake openings, air nozzles, and ventilation grilles clear, and clean the ADB filter if owner-accessible.
• Call authorized Dometic service if normal controls and visible airflow checks do not restore heating.

Official sources

• Dometic FreshJet Series 4, FreshJet Series 7 Operating Manual