Applicable Systems
RTAC 200
Symptoms
High pressure fault. The system discharge pressure has exceeded the safety threshold.
Possible Causes
- Condenser airflow restricted or fan failure
- Refrigerant overcharge causing excessive pressure
Troubleshooting Steps
- Step 1: Check the condenser fan operation and airflow
Fan is not running or airflow is restricted - Step 2: Verify the refrigerant charge level
Charge level is above the specified amount
How to Reset
To reset: Fix the airflow or charge issue, then reset the controller.
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Source: Trane HVAC Service Manual, Trane Inc.
Category: HVAC Residential
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