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12
December
2024
Updated
30
December
2024

Complete Guide to Ideal Logic Air Heat Pump Fault Codes (Updated 2024)

The words Fault Codes, with the Ideal Logic Air heat pump, cylinder, halo controls all in the picure

Introduction

If you own an Ideal Logic Air Heat Pump, then you might encounter fault codes displayed on the unit from time to time. Understanding these fault codes can save you time and money by helping you troubleshoot minor issues before calling a professional. In this guide, we cover all knownIdeal Logic Air Heat Pump fault codes, their meanings, and potential fixes. We will also look at some of the frequently asked questions around these fault codes, that aren't necessarily specific to one code or another.

It can also be beneficial to visit the Ideal Heating website for specific help from the manufacturer.

WhatAre The Fault Codes on an Ideal Logic Air Heat Pump?

Fault codes are diagnostic messages displayed on your heat pump’s control panel. Each code points to a specific issue, helping home owners and technicians identify problems quickly.

Comprehensive List of Fault Codes for Ideal Logic Air Heat Pumps

Below is a complete list of fault codes, what they mean, and possible troubleshooting steps.

1. General System Fault Codes

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
Fault CodeDescriptionPossible Fix
10Outside Sensor FaultCheck and replace the outdoor sensor.
26Header Thermistor FaultEnsure proper wiring and replace if needed.
33Flow Thermistor (Indoor) FaultVerify the sensor connection or replace.
44Return Thermistor FaultInspect the return thermistor for damage.
50DHW Thermistor FaultCheck the DHW thermistor and replace.
60Room Stat 1 FaultInspect or replace the first room stat.
65Room Stat 2 FaultInspect or replace the second room stat.
81LPB Short-Circuit/Comm FaultCheck wiring and LPB bus connection.
82LPB Address Collision FaultEnsure unique LPB addresses.
83BSB Short Circuit FaultCheck the BSB wiring.
84BSB Address CollisionResolve address conflicts.
100Two Clock Time Masters DetectedEnsure only one master clock is configured.
516No Outdoor Connection FaultReconnect or replace the outdoor sensor.
102Clock Without Backup FaultCheck the clock settings and backup power.
1267093 DHW Setpoint FaultAdjust DHW settings or reset.
127Anti-Legionella Temp FaultInspect and adjust temperature settings.
134Re-occurring Heat Pump FaultSchedule professional maintenance.
146Configuration ErrorVerify system configuration settings.
171Alarm Contact 1 Active FaultInspect the alarm settings.
366Room Temp Sensor FaultCheck room temperature sensor wiring.
369External Fault DetectedInspect external components.
385Low Mains Voltage FaultEnsure stable power supply.
489No Cascade Master FaultConfigure the cascade master.
490-499No Outdoor Connection FaultVerify outdoor sensor wiring.
506Boiler No Temp Rise FaultInspect and reset boiler temperature.
516No Outdoor Connection FaultReconnect or replace the outdoor sensor.
An image of an Ideal Logic Air heat pump

2. Heat Pump-Specific Fault Codes (Fault Code 370)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
Fault Sub-CodeDescriptionPossible Fix
F0-F1No Outdoor ConnectionVerify outdoor unit wiring.
F2Outdoor HX Thermistor FaultCheck and replace thermistor.
F3Heat Pump Inverter FaultInspect the inverter. Call technician.
F4Outdoor Electrical Filtering FaultEnsure clean power supply.
F5Outdoor Discharge ThermistorReplace faulty thermistor.
F6Compressor Thermistor FaultInspect and replace thermistor.
F7Outdoor Intermediate HX ThermistorCheck thermistor and wiring.
F8Outdoor Outlet HX ThermistorReplace defective thermistor.
F9Heat Pump Defrost ThermistorInspect defrost thermistor.
F10Outdoor Heatsink Thermistor FaultReplace damaged heatsink thermistor.
F11Outdoor PFC Thermistor FaultInspect PFC wiring and replace.
F12Outdoor Expansion Valve ThermistorCheck valve operation.
F13Outdoor Electrical ErrorReset system, inspect wiring.
F14Outdoor Pressure Sensor FaultInspect pressure sensor. Replace if needed.
F15Heat Pump Air Flow FaultClear debris, check fan operation.
F16Heat Pump Compressor FaultCheck compressor wiring.
F17Heat Pump Fan FaultInspect and replace fan.
F18-F19Compressor Temperature IssuesAllow to cool, inspect sensor.
F20Outdoor Low PressureCheck refrigerant levels.
F21Outdoor Power Supply FaultEnsure stable power supply.
F22-F27Various System ErrorsInspect system and reset or service.

Frequently Asked Questions (FAQs)

Q: How do I reset my Ideal Logic Air Heat Pump? A: Switch off the heat pump at the control panel, wait for 5 minutes, and turn it back on. If the fault persists, call a technician.

Q: What does Fault Code 10 mean on an Ideal Logic Air HeatPump? A: Fault Code 10 indicates an ‘Outside Sensor Fault.’ Check and replace the outdoor sensor if needed.

Q: Why is my heat pump displaying Fault Code 44? A: FaultCode 44 indicates a ‘Return Thermistor Fault.’ Inspect the return thermistor for wiring issues or damage.

Q: Can I fix a Heat Pump Compressor Fault (F16) myself? A: Compressor faults should be handled by a professional HVAC technician due to system complexity.

Q: How do I resolve a Heat Pump Inverter Fault (F3)? A: Inspect the inverter and try resetting the system. If you find that the fault persists, contact a certified service technician.

Q: What should I do if my heat pump has a power supply fault(F21)? A: Ensure the unit has a stable power supply. Inspect breakers and wiring, or call a professional.

Conclusion

The fault codes displayed on your Ideal Logic AirHeat Pump can help you can diagnose problems faster and decide whether you need to seek professional help, or can resolve the issue yourself. For more detailed troubleshooting, consult the official user manual or contact use athello@dwellow.co.uk

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