5 hours ago: Nav screen shows: Result:NG in red?

Mend Optima Optima 2 Plus Home Heating Systems

Heating, Home Heating Systems
howtomendit.com find out how to mend just about anything.
Categories

How to mend ...

Mend Alpha Mend Alpha Heating Mend Apollo Mend Ariston Mend Baxi Mend Bermuda Mend Berry Mend BIASI Mend Bosch Mend Boss Mend Boss Therm Mend Boulter Mend British Gas Mend Britony Mend Brittany Mend Brittony Mend Camray Mend Cannon Mend Canon Mend Celsia Mend Chaffoteaux Mend Chaffoteaux & Maury Mend Concord Mend Crane Mend Danfoss Mend Digistat Mend Dimplex Mend Drayton Mend Ecomax Mend Ferroli Mend Fertech Mend Firebird Mend Flexicom Mend Glow Worm Mend Glow-worm Mend Glowworm Mend Grant Mend Grundfos Mend Halstead Mend Harcal Mend Heatline Mend Heatslave Mend Honeywell Mend Horstmann Mend Hydroline Mend Icon Mend Icos Mend Ideal Mend Isar Mend Jaguar Mend Johnson & Starley Mend Keston Mend Kingfisher Mend Kohlangaz Mend Landis & Gyr Mend Lifestyle Mend Linea Mend Main Mend Medway Mend Modena Mend Morco Mend Myson Mend Netaheat Mend Ocean Mend Optima Mend Potterton Mend Powermax Mend Prima Mend Promax Mend Protherm Mend Pulsacoil Mend Puma Mend Randall Mend Ravenheat Mend Remeha Mend Riello Mend Sabre Mend Saunier Duval Mend Servowarm Mend Siemens Mend Sime Mend Stelrad Mend Swift Flow Mend Switchmaster Mend Thorn Mend Thorn EMI Mend Tiger Mend Trianco Mend Vaillant Mend Valiant Mend Viessmann Mend Vizo Mend Vokera Mend Vulcan Mend Worcester Mend Worcester Bosch

Latest Questions

Mend radiator thermostatic stuck
1

One radiator in a bedroom is always cold?

One radiator in a bedroom is always cold. It used to work fine. I have tested the thermostatic value and the... [Read more]
Mend sabre pressure water

Sabre 29 water pressure drop?

sabre 29 water pressure dropped, how to increase the pressure
Mend boiler greenstar cdi heating

Worcester Greenstar CDi boiler won't fire up the central-h?

flashing green light near the CH select button new batteries in transmitter
Categories

Mend Optima Hawk Ii Optima

Free repair help

We have 1 questions about mending 'optima hawk ii optima' in category Heating, Home Heating Systems

How to mend Optima Hawk Ii Optima

Mend combi boiler central heating heating system
2

Why does the Hawk II Optima keep turning on central heating without request?

I have a Hawk II Optima combi boiler which is around 10yrs old. I've pushed the selector switch to the disable... [Read more]
Mend boiler heating lockout

Greenstar 24Ri boiler, fast flashing - can I reset?
Mend advice test turned

Advice?
Mend boiler heating systems

Remove boiler cover?
Mend 15 stops start

Fan tries to run every 15 seconds then stops immediately?
Mend time running 28

Thorn Harcal 460?
Mend boiler heating caravan

Britony Combi Se boiler 40 & 80 lights flashing?
Mend Worcester Bosch Combi Boiler Home Heating

Worcester Bosch 532/i Combi Boiler?
Mend Worcester Combi Ignition

Worcester 30 Cadillac combi boiler won’t fire up and the EA?
Mend boiler heating firebird

Firebird super Q 50/82?
Mend combi boiler leaking pressure

How can i mend my baxi combi 105a?
Mend Heating, Home Heating Systems

Remove cover off gas boiler?
Mend gas 532i boiler

British Gas 532/i Gas Combi Boiler?
Mend boiler caravan morco

Morco gb 24?
Mend vaillant ecotec boiler

Vaillant ecotec 831 plus?
Mend Worcester Bosch heating reset

Reset my worcester dt10rf programmer?
Mend heating radiators boiler

Worcester boiler dripping water?
Mend boiler thermostat replacement

Oil fired boiler thermostat?
Mend thermostat heating siemens

Siemens RDJ10RF thermostat problem?
Mend heating pump greenstar

Greenstar Highflow 440?
Mend Worcester Boiler Heating

Greenstar 25 combo boiler?
Mend boiler heating ferroli

F40 fault?
Mend Heating, Home Heating Systems

Have I got got a faulty programmer?
Mend storad storage moved

How do I work my Storad storage heater?
Mend Heating, Home Heating Systems

Ideal Isar H30?
Mend radiator thermostatic stuck

One radiator in a bedroom is always cold?
Mend Heating, Home Heating Systems

How to fix my fireplace?
Mend boiler heating error code

BMU error code?
Mend Heating, Home Heating Systems

How do i stop the time from flashing on the Siemens RDJ100RF?
Mend Vaillant Heating Repair

Vaillant F22 fault?
Mend heating boiler Worcester Bosch

Boiler cycle?

How to mend ...

Mend Alpha Mend Alpha Heating Mend Apollo Mend Ariston Mend Baxi Mend Bermuda Mend Berry Mend BIASI Mend Bosch Mend Boss Mend Boss Therm Mend Boulter Mend British Gas Mend Britony Mend Brittany Mend Brittony Mend Camray Mend Cannon Mend Canon Mend Celsia Mend Chaffoteaux Mend Chaffoteaux & Maury Mend Concord Mend Crane Mend Danfoss Mend Digistat Mend Dimplex Mend Drayton Mend Ecomax Mend Ferroli Mend Fertech Mend Firebird Mend Flexicom Mend Glow Worm Mend Glow-worm Mend Glowworm Mend Grant Mend Grundfos Mend Halstead Mend Harcal Mend Heatline Mend Heatslave Mend Honeywell Mend Horstmann Mend Hydroline Mend Icon Mend Icos Mend Ideal Mend Isar Mend Jaguar Mend Johnson & Starley Mend Keston Mend Kingfisher Mend Kohlangaz Mend Landis & Gyr Mend Lifestyle Mend Linea Mend Main Mend Medway Mend Modena Mend Morco Mend Myson Mend Netaheat Mend Ocean Mend Optima Mend Potterton Mend Powermax Mend Prima Mend Promax Mend Protherm Mend Pulsacoil Mend Puma Mend Randall Mend Ravenheat Mend Remeha Mend Riello Mend Sabre Mend Saunier Duval Mend Servowarm Mend Siemens Mend Sime Mend Stelrad Mend Swift Flow Mend Switchmaster Mend Thorn Mend Thorn EMI Mend Tiger Mend Trianco Mend Vaillant Mend Valiant Mend Viessmann Mend Vizo Mend Vokera Mend Vulcan Mend Worcester Mend Worcester Bosch

Ask Question

Ask your question Do you need free help? Ask your question.

howtomendit.com for free repair help, information and advice.
Ask Question
Mend Kitchen Appliances, Dishwashers
Mend Household Appliances, Washing Machines
Mend Household Appliances, Vacuum Cleaners
Mend Vehicles, Motorcycles

How to mend ...

Loading
How do I repair my Ideal Logic Combi 24?
Loading
How do I mend my Vaillant 828?
Loading
How do I repair my Potterton EP6002?
Loading
How do I repair my Glowworm Compact Electronic?
Loading
How do I mend my Baxi Suprima 50?
Loading
How do I fix my Worcester Bosch Highflow 400?
Loading
How do I fix my Ideal HE15?
Mend Vehicles, Vans
Mend Kitchen Appliances, Electric Cookers
Mend Vehicles, Cars
Mend Garden Tools, Lawn Mowers