New tech on site — ironer trips the thermal cutout after a few minutes. Where do I start?
E-44 E-44 is an over-temperature trip on the chest thermostat. Walk it in this order:
- Confirm exhaust airflow — a clogged lint duct is the usual cause.
- Check the chest thermostat continuity against spec at connector J7.
- Inspect the contactor for chatter before condemning the heater bank.