How can I troubleshoot an E5 error code on my AC unit myself?

By: USER3391
28 Agustus 2025 Support 5 minutes
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Grade: Education Subject: Support
How can I troubleshoot an E5 error code on my AC unit myself?
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Before calling a technician, try these steps: 1. Power cycle the AC unit by turning it off completely at the breaker for a few minutes, then turn it back on. 2. Check the wiring between the indoor and outdoor units for any loose connections or damage. 3. Inspect the control boards in both units for any visible signs of burning or damage. 4. Consult your AC unit's manual for specific troubleshooting steps for E5.
Answered on 28 Agustus 2025

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