What the manual says
Manufacturer manualCheck supply voltage at control box, fuse, CH and HW controls, system controls (room/cylinder thermostats), boiler thermostat, and gas control valve.
Shared across the Ideal WLx range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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All 2 fault codes on the WLX RS50 / RS60
Seeing a different code? Every code this model can display, in one place.