Applicable Systems
RTAC 200
Symptoms
Mixed air damper fault. The mixed air damper is not operating correctly.
Possible Causes
- Damper actuator motor failure
- Damper linkage broken or disconnected
Troubleshooting Steps
- Step 1: Check the damper actuator voltage and operation
Actuator does not respond - Step 2: Inspect the damper linkage for damage
Linkage is broken or disconnected
How to Reset
To reset: Replace the actuator or fix the linkage, then reset.
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Source: Trane HVAC Service Manual, Trane Inc.
Category: HVAC Residential
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