!!
critical Honeywell
Error Code Drain Pan Sensor Alarm
A high-severity alarm indicating water has been detected in the drain pan, indicating potential condensation overflow or drain blockage.
? What Causes This
Blocked or kinked drain hose, drain pump failure, or excessive condensation production.
✓ How to Fix It
- Check drain hose for blockages or kinks.
- Verify drain pump is functioning.
- Clear any obstructions in drain line.
- Contact service if issue persists.
Source: page 118 of the official manual
From the manual
