Intergas
Eco RF 36
System Boiler
36kW
2015-present
ErP A
48 fault codes
<p>The Eco RF 36 is a system boiler from Intergas, available at 36kW output. Produced 2015-present.</p>
Eco RF 36 Fault Codes 48
Code
Description
Severity
Type
0.0
Low System Pressure (Standard Range)
On standard Intergas HRE boilers, 0.0 indicates the system water pressure is too low to operate…
Low
DIY
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1
Temperature Too High (Standard Range)
On standard Intergas HRE boilers, code 1 indicates the water temperature has exceeded the safe limit.
High
Engineer
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4
No Flame Signal (Standard Range)
On standard Intergas HRE boilers, code 4 indicates no flame was detected during the ignition attempt.
Medium
DIY
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8
Incorrect Fan Speed (Standard Range)
On standard Intergas HRE boilers, code 8 indicates the fan is not running at the correct…
High
Engineer
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E10
False Flame Detected
The boiler's ionisation circuit has detected a flame signal when the gas valve should be closed.…
High
Engineer
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E11
PCB / Electronics Fault
The main PCB has detected an internal fault. Intergas boilers display E11 for various electronic faults.
High
Engineer
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E13
Gas Valve Fault
The gas valve has a fault — it may not be opening or closing correctly, or…
High
Engineer
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E14
Flue Temperature Sensor Fault
The flue gas temperature sensor has failed or has a wiring fault.
Medium
Engineer
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E16
Maximum Resets Exceeded
The boiler has exceeded its maximum number of consecutive resets. It will not restart until the…
High
Engineer
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E17
Condensate Pump Fault
On Intergas models fitted with a condensate pump, E17 indicates the pump has a fault or…
Medium
Engineer
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E2
Ignition Failure / Lockout
The most common Intergas fault code. The boiler has failed to ignite or has lost its…
Medium
DIY
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E20
DHW Flow Rate Fault
The domestic hot water flow rate is outside the expected range — either too low or…
Medium
Engineer
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E5
Overheat Lockout
The boiler's overtemperature protection has activated. On Intergas boilers this typically means the heat exchanger has…
High
Engineer
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E6
Fan Fault / Air Pressure Switch
The fan is not confirming correct operation via the air pressure switch before ignition is allowed.
High
Engineer
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E7
Water Pressure Too Low
System water pressure is below the safe operating minimum for the boiler.
Low
DIY
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E9
Flow/Return Temperature Sensor Fault
A flow or return NTC temperature sensor has failed or has a wiring fault on Intergas…
Medium
Engineer
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F000
Heat Exchanger Sensor Fault (Xtreme/Xclusive)
On Intergas Xtreme and Xclusive boilers, F000 indicates a heat exchanger sensor defect requiring replacement.
Medium
Engineer
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F001
Overtemperature During CH Demand (Xtreme/Xclusive)
On Intergas Xtreme/Xclusive, F001 indicates the temperature has exceeded safe limits during a central heating demand.…
High
Engineer
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F004
No Flame During Startup (Xtreme/Xclusive)
On Intergas Xtreme/Xclusive, F004 indicates no flame was detected during the ignition sequence. Gas valve may…
Medium
DIY
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F005
Flame Loss During Operation (Xtreme/Xclusive)
On Intergas Xtreme/Xclusive, F005 means the flame has been lost during normal operation. Possible condensate blockage…
Medium
DIY
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F006
False Flame Signal (Xtreme/Xclusive)
On Intergas Xtreme/Xclusive, F006 indicates a flame simulation error — a flame is being detected when…
High
Engineer
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F008
Incorrect Fan Speed (Xtreme/Xclusive)
On Intergas Xtreme/Xclusive, F008 indicates the fan is not running at the correct speed. Fan cable,…
High
Engineer
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F018
Flue or Air Supply Blocked (Xtreme/Xclusive)
On Intergas Xtreme/Xclusive, F018 indicates the flue and/or air supply duct is blocked. Check for obstructions…
High
DIY
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F029
Gas Valve Fault (Xtreme/Xclusive)
On Intergas Xtreme/Xclusive, F029 indicates a gas valve fault — possible leakage or burner controller issue.
High
Engineer
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