BoilerFaultCodes.com

Ideal HP290 Fault Codes

Heat Pump Natural Gas 9 kW 2023-present

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Most common fault codes

9.1.2
Your heat pump has stopped working because water is not circulating correctly through the outdoor unit.
May be DIY safe · £120-350
9.1.3
Your boiler has detected that its electrical power wires have been connected in the wrong order, preventing it from starting up safely.
Gas Safe engineer required · £80-160
9.1.4
Your heat pump's external unit is unable to talk to the control panel inside your home, meaning the system cannot receive instructions to provide heating or hot water.
Gas Safe engineer required · £180-450

All 120 fault codes

Code Severity Plain English
9.1.2 High Your heat pump has stopped working because water is not circulating correctly through the outdoor unit.
9.1.3 High Your boiler has detected that its electrical power wires have been connected in the wrong order, preventing it from starting up safely.
9.1.4 High Your heat pump's external unit is unable to talk to the control panel inside your home, meaning the system cannot receive instructions to provide heating or hot water.
9.1.5 High Your system has a faulty temperature sensor in the main pipework, which means it cannot accurately monitor the water heat flowing through your home.
9.1.6 High Your heat pump has stopped providing hot water because a sensor that monitors the water temperature has developed a fault or is disconnected.
9.1.7 Medium Your heating system is having trouble measuring the temperature for your second heating area, which often means that specific zone won't warm up correctly.
9.1.8 High Your outdoor heat pump unit has detected a fault with a temperature sensor that monitors the air passing through it, which may cause the system to stop working correctly.
9.1.9 High Your heat pump has stopped working because water is not moving through the outdoor unit properly.
9.1.10 High Your heat pump's outdoor unit has detected a problem with a temperature sensor that monitors the cooling fluid, preventing the system from heating your home efficiently.
9.1.11 High Your heat pump's outdoor unit has detected a problem with the sensor that monitors the temperature of the refrigerant gas as it leaves the compressor, causing the system to stop running to prevent damage.
9.1.12 High Your heat pump has stopped working because a sensor that measures the water temperature returning from your home has developed a fault.
9.1.13 High Your indoor and outdoor units are failing to speak to each other, meaning your central heating and hot water have stopped working.
9.1.28 High Your heat pump has stopped working because a sensor detected that the internal system is getting too hot, likely due to a lack of proper airflow or low refrigerant levels.
9.1.29 High Your heat pump has stopped working because it cannot accurately monitor the water pressure in the system.
9.1.30 High Your boiler has stopped working because its internal pressure sensors have been plugged into the wrong sockets during a service or repair.
9.1.31 High Your heat pump has stopped because the refrigerant gas is getting too hot, likely due to a blockage or restricted water flow through the system.
9.1.34 High Your heat pump's engine has stopped running because it is struggling to start or has an electrical fault, meaning you have no heating or hot water.
9.1.35 High Your boiler is unable to switch between heating your house and providing hot water because an internal diverter component is stuck or broken.
9.1.36 Medium Your heat pump’s automatic high-temperature disinfection cycle for your hot water tank failed to complete as scheduled.
9.1.37 High Your heating cannot circulate around your home because the main pump has stopped working or is not responding.
C7 High Your boiler’s internal electronic brain is having trouble communicating with the compressor pump, meaning your heating and hot water have stopped working.
E0 High Your heat pump has stopped working because water isn't flowing through the outdoor unit properly, and it has failed to start ten times in a row.
E01 High Your heat pump has stopped working because the internal safety system has detected a communication error or a power supply issue.
E1 High Your boiler has detected that the electrical wiring coming from your home’s power supply matches the wrong terminals, meaning the power flow is backwards.
E2 High Your indoor control panel has lost communication with the outdoor unit, meaning your heat pump cannot receive instructions to provide heating or hot water.
E3 High Your system's main temperature sensor is sending incorrect information, which means your heating might not work efficiently or at all.
E4 High Your heat pump has stopped making hot water because the sensor that monitors your cylinder's temperature is no longer communicating correctly.
E5 High Your heat pump has stopped working because one of its outdoor temperature sensors is sending an incorrect or missing signal to the main control board.
E6 Medium Your heat pump's external temperature sensor is giving a faulty reading, which means the system cannot accurately adjust the heating based on the weather outside.
E8 High Your boiler has stopped working because water is not moving through the system properly or the pressure is too low.
E9 High Your heat pump has stopped working because a sensor that monitors the temperature of the cooling liquid returning to the main unit has developed a fault.
EA High Your heat pump has stopped working because a sensor that monitors the temperature of the outgoing refrigerant gas is reporting an incorrect or faulty reading.
Ed High Your heat pump has stopped working because a sensor that monitors the temperature of the water returning to the outdoor unit has failed or detected an error.
F1 High Your heat pump's internal computer system has encountered an electrical problem and has stopped working to protect itself.
Fan Error High Your boiler has stopped working because the internal fan, which safely exhausts gases, is not spinning at the correct speed.
FC1 High Your heat pump's outdoor sensor that monitors temperature change is not reporting correctly, which prevents the system from managing heat exchange properly.
H0 High Your indoor and outdoor units are failing to speak to each other, which has caused your heating system to stop working.
H1 High Your heat pump has stopped working because the internal control computers are unable to talk to each other.
H2 High Your heat pump has stopped working because a sensor that monitors the temperature of the internal heating fluid has developed a fault.
H3 High Your heat pump has detected a problem with a temperature sensor inside the unit, causing the system to stop working to prevent any damage.
H4 High Your heat pump has stopped working because its internal electrical system has detected repeated power surges or excessive electrical demand.
H6 High Your boiler has stopped working because the internal fan, which safely exhausts gases from the unit, is not spinning correctly.
H7 High Your boiler has detected that the electricity supply from the mains is either too high or too low for it to operate safely.
H8 High Your heat pump has stopped working because it has detected an issue with a internal sensor that monitors the pressure levels within the system.
H9 Medium Your boiler is having trouble monitoring the temperature for your second heating zone, which may prevent that specific area of your home from warming up properly.
HA High Your heat pump has stopped because a sensor that measures the temperature of the water leaving the outdoor unit is giving an incorrect reading.
Hb High Your heating system has shut down because it is struggling to circulate water properly while detecting very cold temperatures within the unit.
Hd High Your main heat pump unit is unable to talk to the secondary unit, meaning the system cannot coordinate properly to heat your home.
HF High Your heat pump's internal computer chips are not communicating correctly because their configuration settings do not match each other.
HH High Your boiler's internal fan is struggling to run correctly and has failed to start ten times in a short period, causing the system to shut down for safety.
High Flow/Return Differential Error High Your heat pump has stopped working because water is not flowing through the system quickly enough to prevent it from getting too cold.
High Pressure Sensor Error High Your heat pump has stopped working because its internal safety sensor has detected that the water pressure is too high, causing the system to shut down for protection.
High Voltage or Low Voltage Error High Your boiler has detected an unstable incoming electrical supply that is either too high or too low for it to run safely.
Inverter High Current High Your heat pump has stopped because its internal electronics are detecting a power surge or a motor that is working too hard.
Inverter not matched to Outdoor PCB dip switch setting Error High Your heat pump has stopped working because its internal computer components are not communicating correctly with each other due to an incorrect configuration setting.
J2E High Your heat pump's internal electrical cooling system has become too hot and has shut down to prevent permanent damage.
J3E High Your heat pump has stopped working because the internal computer responsible for powering the compressor has detected a technical fault.
J5E High Your heat pump’s main engine has encountered a problem and has stopped running to protect the system.
J6E High Your heat pump’s internal power control system has encountered an electrical fault, preventing the unit from heating your home.
J11 High Your heat pump's internal motor system is drawing too much electricity, causing the unit to shut down to protect its electrical components.
J12 High Your heat pump's engine is drawing too much electrical power, causing the system to shut down to protect its internal circuits.
J31 High Your heat pump's internal control system has detected an electrical communication error or a fault with the motor drive board.
J32 High Your heat pump's internal computer system has detected a communication or power issue with the motor control unit, causing the system to stop working for safety.
J43 High Your heat pump's internal control board has detected a communication or electrical fault with the motor that drives the system, meaning it cannot currently provide heating.
J45 High Your boiler has stopped working because it detects that the internal fan is the incorrect model for this specific unit.
J46 High Your heat pump’s internal power control system has encountered a fault, meaning the outdoor unit cannot currently run to provide heating or hot water.
J47 High Your heat pump's internal power control system has encountered a fault, meaning the outdoor unit cannot communicate properly with the compressor to provide heating or hot water.
J52 High Your heat pump's engine has stopped turning unexpectedly, which means the system cannot currently generate heat for your home.
J61 High Your boiler has detected an electrical fault with the internal fan, which is preventing the unit from starting up for safety reasons.
J65 High Your heat pump has stopped working because the internal computer that controls the motor has detected an electrical problem.
L1E High Your heat pump's internal power system is detecting an electrical surge or overload, causing the unit to shut down to prevent damage.
L2E High Your heat pump has stopped working because its internal electrical cooling system has become too hot.
L3E High Your heat pump's internal control board is experiencing an electrical communication problem and cannot operate the compressor.
L5E High Your heat pump’s main engine is struggling to pull enough power to start up correctly.
L6E High Your heat pump has stopped working because the internal computer that controls the speed of the motor has detected an electrical fault.
L11 High Your heat pump has shut down because a specific part of its motor or power electronics is drawing too much electricity.
L12 High Your heat pump has shut down because a power component is drawing too much electricity, likely due to a blockage or a part wearing out.
L31 High Your heat pump's internal control computer has detected an electrical fault with the unit that powers the motor, preventing it from running.
L32 High Your heat pump has encountered a problem with its internal power management system, meaning it cannot currently run the compressor to provide heat.
L34 High Your heat pump’s internal computer system has detected an electrical communication problem, causing the unit to shut down to prevent damage.
L43 High Your heat pump has stopped working because its internal computer board is having trouble communicating with the compressor system.
L45 High Your boiler has identified that the internal fan is incompatible or incorrectly configured, causing the system to shut down for safety.
L46 High Your heat pump's internal computer system has detected a communication or electrical issue with the power supply that controls the compressor.
L47 High Your heat pump has stopped working because the internal power control system has detected an electrical fault.
L52 High Your heat pump’s engine has stopped unexpectedly and is unable to restart, meaning your heating and hot water will likely stop working.
L61 High Your heat pump has detected an electrical fault within the wiring or the motor that drives the system, causing it to shut down to prevent damage.
L65 High Your heat pump has stopped working because of a communication or electrical issue within its internal power control unit.
LB7 High Your heat pump’s internal power management system has encountered an electrical fault, causing the unit to stop running to protect itself.
LBC High Your heat pump's internal motor controller has encountered an electrical problem and has stopped working to protect the system.
LBE High Your heat pump has detected a pressure level that is too high within the system and has shut down to prevent damage.
LC1 High Your heat pump has stopped working because its internal computer board is having trouble communicating with the motor that runs the system.
LC2 High Your heat pump has stopped working because of an internal electrical communication fault between the main control board and the motor.
LC3 High Your heat pump has stopped working because of an internal electrical communication issue within its power control system.
LC4 High Your boiler has detected an internal electrical communication problem with the system that controls the pump and fan, meaning the unit cannot run safely.
LC5 High Your heat pump has stopped working because of a communication or electrical fault in the main power control unit.
LC6 High Your heat pump has stopped working because its internal computer board is having trouble communicating with or powering the compressor.
LC7 High Your heat pump has encountered a communication or power issue within its internal electrical control system, meaning it cannot currently heat your home.
LC8 High Your heat pump has stopped working because its internal power management system has detected an electrical fault.
LC9 High Your heat pump’s internal power electronics have become too hot and have shut the system down to prevent damage.
LCA High Your heat pump has detected an electrical overload in the motor system and has shut down to protect its internal circuits.
LCB High Your heat pump has encountered a communication or power issue with the internal electronics that manage the motor, causing the system to stop working.
LCD High Your heat pump has stopped working because of a communication or electrical issue within the internal power control system.
LCE High Your heat pump has stopped working because the internal power system has detected an electrical surge or overload.
Low Pressure Error High Your boiler has detected that there is not enough water in the system to operate safely, causing it to shut down to prevent damage.
No connection Master Heat Pump to Slave Heat Pump Error High Your main heat pump unit has lost communication with the secondary unit, meaning the system may not be able to provide full heating or hot water.
Overcurrent Protection Error High Your heat pump has detected an electrical surge or heavy workload and has shut down to protect its internal motor and electronics.
P0 High Your boiler has detected that the water pressure is too low for it to operate safely, which usually means the system needs more water.
P1 High Your heat pump has detected that the internal pressure is too high and has shut down to protect its internal components.
P3 High Your heat pump has stopped working because its internal electrical circuit has detected a power surge or is drawing too much electricity to protect itself from damage.
P4 High Your heat pump has stopped working because its internal system is getting too hot, usually due to a lack of water flow or a refrigerant issue.
P5 High Your boiler has detected that water is struggle to circulate through your heating system quickly enough, often due to a blockage or a pump issue.
P21 High Your boiler has stopped working because it cannot accurately tell if there is enough water pressure in the system to operate safely.
P27 High Your boiler's internal wiring has been connected incorrectly, causing it to confuse high and low pressure readings.
Pb Low Your heat pump has temporarily paused its operation to prevent internal components from freezing during extremely cold weather.
Pd High Your boiler is stopping itself from working because the water temperature inside is getting too hot, similar to a car engine overheating.
Plate Heat Exchanger Inlet Refrigerant Thermistor Error High Your heat pump has detected a problem with one of its internal temperature sensors, which means it may struggle to heat your home efficiently or could stop working altogether.
PP High Your boiler has sensed that water is not circulating through the system quickly enough, causing it to shut down to prevent overheating.
T2 High Your heat pump has detected a problem with a temperature sensor inside the outdoor unit, which has caused the system to stop working to protect itself.
T2B High Your heat pump has stopped working because a sensor that monitors the temperature of the internal cooling liquid has detected a problem or failed.
Tw_Out High Your heat pump has stopped working because a sensor that measures the temperature of the water leaving the outdoor unit has failed or is disconnected.

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