Display shows E06, indicating flame sensor or photocell error

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

Dirty or failed photocell, Loose sensor connection, Control board flame circuit fault, Incorrect sensor type installed

Safety: Turn off power before handling the sensor.

Steps:

Clean sensor: Remove the Riello photocell and clean the lens. Reinstall firmly.
Check connector: Ensure the sensor plug is fully seated in the control box and pins are not bent.
Replace sensor: Install a new OEM Riello photocell if cleaning does not help.

If E06 remains, the main control board or burner control box may be defective.

Medium 3/5

Riello Photocell Flame Sensor

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