What the manual says
Manufacturer manualOvercurrent Protection Error
From this model's manual
Verified against the Ideal/Ideal Hp290 installation & service 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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Related fault codes
All 126 fault codes on the HP290
Seeing a different code? Every code this model can display, in one place.
9.1.19.1.29.1.39.1.49.1.59.1.69.1.79.1.89.1.99.1.109.1.119.1.129.1.139.1.149.1.289.1.299.1.309.1.319.1.349.1.359.1.369.1.37C7Compressor Stall ErrorCompressor Start ErrorE0E01E1E2E3E4E5E6E8E9EAEdF1Fan Connections Short CircuitFan ErrorFC1H0H1H2H3H4H5H6H7H8H9HAHbHdHFHigh Pressure Sensor ErrorHigh Pressure Switch OperatedInverter ErrorInverter High CurrentInverter High TemperatureJ2EJ3EJ5EJ6EJ11J12J31J32J43J45J46J47J52J61J65L1EL2EL3EL5EL6EL11L12L31L32L34L43L45L46L47L52L61L65LB7LBCLBELC1LC2LC3LC4LC5LC6LC7LC8LC9LCALCBLCDLCELow Pressure ErrorNoneOvercurrent Protection ErrorP0P1P3P4P5P21P27PbPdT2T2BTw_OutWrong Fan FittedWrong Fan Motor Fitted