Applicable Systems
RTAC 200
Symptoms
Compressor motor overload. The compressor motor has drawn excessive current and the overload protection has tripped.
Possible Causes
- Compressor motor winding short or degradation
- System operating outside design conditions causing overcurrent
Troubleshooting Steps
- Step 1: Check the compressor motor current with a clamp meter
Current exceeds the rated value - Step 2: Measure motor winding resistance for shorts
Winding resistance indicates a short
How to Reset
To reset: Fix the motor or system issue, then reset the overload protection.
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Source: Trane HVAC Service Manual, Trane Inc.
Category: HVAC Residential
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