Error Code E0 on your Rheem Heat Pump (551180) means the heat pump compressor has stopped working, and the system has switched to electric heating as a backup. This usually indicates an issue with the heat pump itself or associated components.
First, ensure the system is switched off at the electrical supply for safety. Turn off any hot taps to stop water flow. This issue involves internal components and electrical wiring, which require specialist expertise. Contact Hilton Plumbing for a professional inspection and repair to safely resolve this issue.
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