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critical Honeywell
Error Code Discharge Air Temp. Sensor Failure
A high-severity alarm indicating the discharge air temperature sensor is not functioning properly or disconnected.
? What Causes This
Sensor disconnection, sensor malfunction, or wiring issues with discharge air temperature probe.
✓ How to Fix It
- Check DAT sensor connections.
- Verify sensor configuration settings.
- Replace sensor if damaged.
- Contact service personnel.
Source: page 118 of the official manual
From the manual
