System Diagnosis
Memory module (PM) error – data missing or corrupt.
Trane | AC and Heat Pump
Error Code Red 14 Flashes
Troubleshooting guide for the Trane AC and Heat Pump system fault Red 14 Flashes.
Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.
Potential Causes & Solutions
- Ensure the plug-in memory module is firmly inserted (power off first).
- If the fault remains, the module or control board may need replacement or reprogramming.
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