Applicable Systems
RTAC 200
Symptoms
Cold water valve fault. The cold water control valve is not operating correctly.
Possible Causes
- Valve actuator motor failure
- Valve wiring or control signal fault
Troubleshooting Steps
- Step 1: Check the valve actuator voltage and operation
No voltage or actuator does not respond - Step 2: Inspect the valve for mechanical sticking
Valve is stuck
How to Reset
To reset: Replace the valve actuator or fix the wiring, then reset.
Source: Trane HVAC Service Manual, Trane Inc.
Category: HVAC Residential