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Ideal fault codes — in plain English.
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Ideal · Logic Code Combi ESP1
- Ideal F1The manufacturer describes F1 as low water pressure.
- Ideal F2The manufacturer describes F2 as flame loss.
- Ideal F3The manufacturer describes F3 as fan fault.
- Ideal F6The manufacturer describes F6 as outside sensor failure.
- Ideal L1The manufacturer describes L1 as flow temperature overheat or no water flow.
- Ideal L2The manufacturer describes L2 as ignition lockout.
- Ideal L6The manufacturer describes L6 as false flame lockout.
- Ideal LCLC indicates 5 boiler resets in 15 minutes.
- Ideal F4F4 indicates a flow thermistor fault.
- Ideal F5F5 indicates a return thermistor fault.
- Ideal F7F7 indicates low mains voltage.
- Ideal F9F9 indicates an unconfigured or faulty PCB.
- Ideal FAFA indicates a negative differential between the flow and return thermistors.
- Ideal FUFU indicates the flow/return temperature difference is greater than 50C.
- Ideal dUdU indicates the diverter valve is in mid-position for service.
Ideal · Logic MAX System²
- Ideal Overheat LockoutThe manufacturer describes Overheat Lockout as overheat lockout.
- Ideal Ignition LockoutThe manufacturer describes Ignition Lockout as ignition lockout.
- Ideal Flame LossThe manufacturer describes Flame Loss as flame loss.
- Ideal Outside Sensor FaultThe manufacturer describes Outside Sensor Fault as outside sensor fault.
- Ideal Fan FaultThe manufacturer describes Fan Fault as fan fault.
- Ideal PCB FaultThe manufacturer describes PCB Fault as pcb fault.
- Ideal Low Water PressureThe manufacturer describes Low Water Pressure as low water pressure.
- Ideal Pump FaultThe manufacturer describes Pump Fault as pump fault.
- Ideal Gas Valve FaultThe manufacturer describes Gas Valve Fault as gas valve fault.
- Ideal No Water FlowThe manufacturer describes No Water Flow as no water flow.
- Ideal Pump Rotor BlockedThe manufacturer describes Pump Rotor Blocked as pump rotor blocked.
- Ideal Pump Dry RunThe manufacturer describes Pump Dry Run as pump dry run.
- Ideal Too Many RestartsToo many restarts.
- Ideal Room Thermostat FaultRoom thermostat fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal Spare PCB Not SetSpare PCB not set.
- Ideal Low Mains VoltageLow mains voltage.
- Ideal Flow Thermistor FaultFlow thermistor fault.
Ideal · Logic Combi2
- Ideal F03F03 indicates a fan fault.
- Ideal F06F06 indicates outside sensor failure.
- Ideal F01Low water pressure.
- Ideal F02Flame loss.
- Ideal L02Ignition lockout.
- Ideal L01Flow temperature overheat or no water flow.
- Ideal F04F04 indicates flow thermistor.
- Ideal L04L04 indicates flow thermistor.
- Ideal F05F05 indicates return thermistor.
- Ideal L05L05 indicates return thermistor.
- Ideal F07F07 indicates low mains voltage.
- Ideal F09F09 indicates unconfigured pcb.
- Ideal L09L09 indicates unconfigured pcb.
- Ideal L06L06 indicates false flame lockout.
- Ideal L0CL0C indicates 5 boiler resets in 15 minutes.
- Ideal L0dL0d indicates blocked flue/condensate.
- Ideal F0UF0U indicates flow/return differential > 50°c.
- Ideal dUdU indicates diverter valve in mid-position for service.
- Ideal F0CF0C indicates dhw thermistor fault.
Ideal · Vogue MAX System 15/18/26/32
- Ideal Flow Thermistor FaultFlow thermistor fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal Outside Sensor FaultOutside sensor fault.
- Ideal Flow/Return Thermistor FaultFlow or return thermistor fault.
- Ideal Flow/Return ReversedFlow/return reversed.
- Ideal PCB FaultPCB fault.
- Ideal No Connection To Primary PCBNo connection to the primary PCB.
- Ideal Low Mains VoltageLow mains voltage to the boiler.
- Ideal Pump Rotor BlockedPump rotor blocked.
- Ideal Pump Low Voltage FaultPump low voltage fault.
Ideal · Logic+ Combi2
- Ideal Low Water PressureThe display message is “Low Water Pressure”.
- Ideal Ignition LockoutThe display message is “Ignition Lockout”.
- Ideal Blocked Flue/CondensateThe display message is “Blocked Flue/Condensate”.
- Ideal OverheatThe display message is “Overheat”.
- Ideal Flame LossThe display message is “Flame Loss”.
- Ideal Fan FaultThe display message is “Fan Fault”.
- Ideal No Water FlowThe display message is “No Water Flow”.
- Ideal Pump Rotor BlockedPump rotor blocked.
- Ideal Too Many RestartsToo many restarts.
- Ideal Outside Sensor FaultOutside sensor fault.
- Ideal Room Thermostat FaultRoom thermostat fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal Spare PCB Not SetSpare PCB not set.
- Ideal PCB FaultPCB fault.
- Ideal Low Mains VoltageLow mains voltage.
- Ideal Pump Dry RunPump dry run.
- Ideal Flow Thermistor FaultFlow thermistor fault.
- Ideal Pump FaultPump fault.
- Ideal DHW Thermistor FaultHot water (DHW) thermistor fault.
Ideal · Exclusive 2
- Ideal F1F1 indicates low water pressure.
- Ideal F4F4 indicates a flow thermistor fault.
- Ideal F5F5 indicates a return thermistor fault.
- Ideal F6F6 indicates outside sensor failure.
- Ideal F7F7 indicates low mains voltage.
- Ideal F9F9 indicates an unconfigured or faulty PCB.
- Ideal L1L1 indicates flow temperature overheat or no water flow.
- Ideal LCLC indicates 5 boiler resets in 15 minutes.
- Ideal FHFH indicates no primary water flow.
- Ideal FLFL indicates pump dry run.
- Ideal FPFP indicates pump rotor blocked.
- Ideal FANegative Differential Flow/Return Thermistor.
- Ideal FUFlow/Return Differential > 50°C.
- Ideal UDiverter Valve in mid-position for service.
Ideal · Logic MAX Combi²
- Ideal Overheat LockoutOverheat lockout.
- Ideal Low Water PressureLow water pressure.
- Ideal Too Many RestartsToo many restarts.
- Ideal Outside Sensor FaultOutside sensor fault.
- Ideal Room Thermostat FaultRoom thermostat fault.
- Ideal Flow Thermistor FaultFlow thermistor fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal PCB FaultPCB fault.
- Ideal No Water FlowNo water flow.
- Ideal Pump Rotor BlockedPump rotor blocked.
- Ideal Spare PCB Not SetSpare PCB not set.
- Ideal Low Mains VoltageLow mains voltage.
- Ideal Pump Dry RunPump dry run.
- Ideal Pump FaultPump fault.
- Ideal DHW Thermistor FaultDHW thermistor fault.
Ideal · Vogue MAX Combi 26/32/40
- Ideal Too Many RestartsToo Many Restarts means 5 boiler faults have been reset within a 15-minute period.
- Ideal Flow Thermistor FaultFlow thermistor fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal Outside Sensor FaultOutside sensor fault.
- Ideal Flow/Return Thermistor FaultFlow or return thermistor fault.
- Ideal PCB FaultPCB fault.
- Ideal No Connection To Primary PCBNo connection to the primary PCB.
- Ideal Low Mains VoltageLow mains voltage to the boiler.
- Ideal No Water Flow FaultNo water flow through the boiler.
- Ideal Pump Rotor BlockedPump rotor blocked.
- Ideal Pump Low Voltage FaultPump low voltage fault.
- Ideal Ignition LockoutIgnition Lockout means the boiler has failed to ignite.
- Ideal Low Water PressureLow Water Pressure means that system water pressure is low.
- Ideal Overheat LockoutOverheat Lockout means the boiler has shut down after overheating.
Ideal · Logic+ System2
- Ideal Overheat LockoutOverheat lockout.
- Ideal Ignition LockoutIgnition lockout.
- Ideal Flame LossFlame loss.
- Ideal Too Many RestartsToo many restarts.
- Ideal Flame On Before Gas OnFlame on before gas on.
- Ideal Flow Thermistor FaultFlow thermistor fault.
- Ideal Outside Sensor FaultOutside sensor fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal Fan FaultFan fault.
- Ideal PCB FaultPCB fault.
- Ideal Spare PCB Not SetSpare PCB not set.
- Ideal Pump Rotor BlockedPump rotor blocked.
- Ideal Pump FaultPump fault.
- Ideal Low Mains VoltageLow mains voltage.
- Ideal Room Thermostat FaultRoom thermostat fault.
- Ideal Low Water PressureLow water pressure.
- Ideal No Water FlowNo water flow.
- Ideal Pump Dry RunPump dry run.
Ideal · Logic System2
- Ideal F01F01 indicates low water pressure.
- Ideal F02F02 indicates flame loss.
- Ideal F03F03 indicates fan fault.
- Ideal F04F04 indicates flow thermistor.
- Ideal L04L04 indicates flow thermistor.
- Ideal F05F05 indicates return thermistor.
- Ideal L05L05 indicates return thermistor.
- Ideal F06F06 indicates outside sensor failure.
- Ideal F07F07 indicates low mains voltage.
- Ideal F09F09 indicates unconfigured pcb.
- Ideal L09L09 indicates unconfigured pcb.
- Ideal L01L01 indicates flow temperature overheat or no water flow.
- Ideal L02L02 indicates ignition lockout.
- Ideal L06L06 indicates false flame lockout.
- Ideal L0CL0C indicates 5 boiler resets in 15 minutes.
- Ideal L0dL0d indicates blocked flue/condensate.
- Ideal F0UF0U indicates flow/return differential > 50°c.
Ideal · Logic Heat2
- Ideal F01F01 indicates low water pressure.
- Ideal F02F02 indicates flame loss.
- Ideal F03F03 indicates fan fault.
- Ideal F04F04 indicates flow thermistor.
- Ideal L04L04 indicates flow thermistor.
- Ideal F05F05 indicates return thermistor.
- Ideal L05L05 indicates return thermistor.
- Ideal F06F06 indicates outside sensor failure.
- Ideal F07F07 indicates low mains voltage.
- Ideal F09F09 indicates unconfigured pcb.
- Ideal L09L09 indicates unconfigured pcb.
- Ideal L01L01 indicates flow temperature overheat or no water flow.
- Ideal L02L02 indicates ignition lockout.
- Ideal L06L06 indicates false flame lockout.
- Ideal L0CL0C indicates 5 boiler resets in 15 minutes.
- Ideal L0dL0d indicates blocked flue/condensate.
- Ideal F0UF0U indicates flow/return differential > 50°c.
- Ideal dUdU indicates diverter valve in mid-position for service.
Ideal · Logic+ Heat2
- Ideal Overheat LockoutOverheat lockout.
- Ideal Ignition LockoutIgnition lockout.
- Ideal Flame LossFlame loss.
- Ideal Too Many RestartsToo many restarts.
- Ideal Flame On Before Gas OnFlame on before gas on.
- Ideal Flow Thermistor FaultFlow thermistor fault.
- Ideal Outside Sensor FaultOutside sensor fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal Fan FaultFan fault.
- Ideal PCB FaultPCB fault.
- Ideal Spare PCB Not SetSpare PCB not set.
- Ideal Low Mains VoltageLow mains voltage.
- Ideal Room Thermostat FaultRoom thermostat fault.
- Ideal No Water FlowNo water flow.
- Ideal Flow/Return ReversedFlow/return reversed.
Ideal · Vogue Combi Gen2 C26/C32/C40
- Ideal Overheat LockoutOverheat lockout.
- Ideal Ignition LockoutIgnition lockout: the boiler has not lit after 5 ignition attempts.
- Ideal Low Water PressureLow water pressure.
- Ideal Too Many Restarts5 boiler faults have been reset within a 15 min period.
- Ideal Flame LossFlame loss.
- Ideal Flame On Before GV OnFlame on before gas valve on.
- Ideal Flow Thermistor FaultFlow thermistor fault.
- Ideal Outside Sensor FaultOutside sensor fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal Fan FaultFan fault.
- Ideal PCB FaultPCB fault.
- Ideal Low Mains VoltageLow mains voltage to the boiler.
- Ideal Flow/Return ReversedFlow/return reversed.
- Ideal No Water Flow FaultNo water flow fault.
- Ideal Pump Rotor BlockedPump rotor blocked.
- Ideal No Connection To Primary PCBNo connection to the primary PCB.
- Ideal Pump Low Voltage FaultPump low voltage fault.
- Ideal Flow/Return Thermistor FaultFlow or return thermistor fault.
Ideal · Vogue System Gen2 S15/S18/S26/S32
- Ideal Overheat LockoutOverheat lockout.
- Ideal Ignition LockoutIgnition lockout: the boiler has not lit after 5 ignition attempts.
- Ideal Low Water PressureLow water pressure.
- Ideal Too Many Restarts5 boiler faults have been reset within a 15 min period.
- Ideal Flame LossFlame loss.
- Ideal Flame On Before GV OnFlame on before gas valve on.
- Ideal Flow Thermistor FaultFlow thermistor fault.
- Ideal Outside Sensor FaultOutside sensor fault.
- Ideal Return Thermistor FaultReturn thermistor fault.
- Ideal Fan FaultFan fault.
- Ideal PCB FaultPCB fault.
- Ideal Low Mains VoltageLow mains voltage to the boiler.
- Ideal Flow/Return ReversedFlow/return reversed.
- Ideal No Water Flow FaultNo water flow fault.
- Ideal Pump Rotor BlockedPump rotor blocked.
- Ideal No Connection To Primary PCBNo connection to the primary PCB.
- Ideal Pump Low Voltage FaultPump low voltage fault.
- Ideal Flow/Return Thermistor FaultFlow or return thermistor fault.
Ideal · Independent+ Combi 24/30/35
- Ideal F1Low water pressure.
- Ideal F2Flame loss.
- Ideal F3Fan fault.
- Ideal F4Flow thermistor.
- Ideal L4Flow thermistor.
- Ideal F5Return thermistor.
- Ideal L5Return thermistor.
- Ideal F6Outside sensor failure.
- Ideal F7Low mains voltage.
- Ideal F9Unconfigured PCB.
- Ideal L9Unconfigured PCB.
- Ideal L1Flow temperature overheat or no water flow.
- Ideal L2Ignition lockout.
- Ideal LC5 boiler resets in 15 minutes.
- Ideal FANegative differential flow/return thermistor.
- Ideal FUFlow/return differential > 50°C.
- Ideal dUDiverter valve in mid-position for service.
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