Applicable Systems
Carrier ComfortLink Thermostat/Controller
Symptoms
Humidity control fault. The humidity control system is not maintaining the setpoint.
Possible Causes
- Humidity sensor reading incorrect
- Humidity control valve or damper fault
Troubleshooting Steps
- Step 1: Check the humidity sensor reading
Reading is out of range - Step 2: Verify the humidity control device operation
Valve or damper is not responding
How to Reset
To reset: Fix the sensor or control device, then reset the controller.
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Source: Carrier HVAC Troubleshooting Guide, Carrier Corporation
Category: HVAC Residential
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