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Air-to-water heat pump outdoor unit next to a house

Heat pumps

Air-to-water heat-pump codes with manufacturer-scoped diagnostic decisions.

Equipment · Air-to-water heat pump, Pool heat pump

Brands · AstralPool, Daikin, Hayward, Hitachi and 3 more

277 published entries

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Wall-mounted combi gas boiler installed in a home

Boilers

Boiler fault codes with evidence-led diagnosis.

Equipment · Gas boiler, Tankless gas water heater, Electric water heater

Brands · A. O. Smith, Ariston, Baxi, Beretta and 18 more

314 published entries

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Wall-mounted EV charger (wallbox) with charging cable

EV charging

EV charger fault codes and protective states with evidence-led diagnosis.

Equipment · EV charger

Brands · Easee, Endesa X, Iberdrola, IONITY and 7 more

64 published entries

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Wall-mounted split air conditioner indoor unit

HVAC

HVAC codes with evidence-led diagnosis.

Equipment · Air conditioner, Smoke and CO alarms, Pellet stoves, Smart thermostats

Brands · Carrier, Daikin, Daitsu, Ecoforest and 20 more

172 published entries

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PlayStation 5 console with DualSense controller

Gaming and consoles

Console, accessory, game, account and network-service errors with evidence-led diagnosis.

Equipment · VR headsets, Nintendo Switch, PC games and launchers, Handheld gaming PCs, PC peripherals and accessories, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X|S

Brands · AMD, Battle.net, Corsair, EA and 15 more

537 published entries

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Appliances

Appliance error codes and safety-first diagnostics.

Equipment · Cordless stick vacuums, Coffee machines, Electric toothbrushes, Personal care devices, Water softeners, Dehumidifiers, Air fryers, Refrigerators, Ovens, Washing machines, Dishwashers, Sewing machines, Microwave ovens, Cooktops, Air purifiers, Kitchen robots, Dryers, Blood pressure monitors

Brands · AEG, ALFA, Balay, Beko and 53 more

684 published entries

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Wall-mounted solar photovoltaic inverter

Solar and energy

Solar inverter and energy-system alarms with evidence-led diagnosis.

Equipment · Solar inverter, UPS (uninterruptible power supply)

Brands · APC, Eaton, Enphase, Fronius and 10 more

157 published entries

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Printers

Printer and multifunction-device errors with evidence-led diagnosis.

Equipment · Inkjet printer, Laser printer

Brands · Brother, Canon, Epson, HP and 7 more

235 published entries

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Industrial machinery

Fault codes for industrial machines drives automation and machine controls.

Equipment · CNC machining centres, Variable frequency drives

Brands · ABB, Haas Automation

2 published entries

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Electric bicycle with mid-drive motor and integrated battery

Electric mobility

Electric-bike fault codes for drive units, batteries, displays, remotes and ABS.

Equipment · Electric bicycle, Electric scooter

Brands · Bafang, Bosch eBike Systems, Cecotec, Giant and 5 more

265 published entries

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Networks

Errors from Wi-Fi routers switches controllers and network services.

Equipment · Smart speakers, Security cameras, Smart locks, Smart plugs and switches, Smart lighting and home hubs, Garage door openers, NAS storage, Cable gateways, DSL routers, Fibre routers, Mesh Wi-Fi routers, Wi-Fi routers, Smart doorbells, UniFi systems, Video intercoms

Brands · Amazon, Aqara, Arlo, ASUS and 45 more

232 published entries

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