Display shows EM ERROR or ENERGY MANAGER FAULT; boiler and zones may not operate correctly.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Internal control board fault, Power supply issue, Corrupted logic or failed relay

Safety: Turn off power before removing the Energy Manager cover.

1. Power cycle: Turn off the boiler service switch for 30 seconds, then turn it back on. Observe whether the EM ERROR clears.
2. Check power and ground: Verify that the Energy Manager is receiving correct line voltage and that neutral and ground connections are secure.
3. Inspect for damage: Look for burn marks, water intrusion, or corrosion inside the control enclosure.

Persistent EM ERROR usually requires replacement of the Energy Manager by a qualified Energy Kinetics technician.

Professional Required 5/5

Energy Manager Control Board

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