Raypak Intermittent Power / Control Voltage Issue

Boiler display flickers or resets randomly during operation.

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

Loose line voltage connection, Failing control transformer, Electrical noise or poor grounding, Overheating control board

Safety: Turn OFF power before tightening any electrical connections.

Steps:

Inspect the main power connections at the boiler and tighten any loose terminals.
Check the control transformer for signs of overheating or buzzing.
Ensure the boiler chassis is properly grounded.

If resets continue, a technician should test the transformer output and control board.

Medium 3/5

Control Transformer

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