Ideal Accredited Installer London
Far gone are the days when people had to run helter-skelter trying to find just a competent technician to help out with fixing certain things in their homes. Presently, the reverse is the case as technicians are the ones bringing their services within the reach of homeowners.
That’s our case as an ideal boiler approved installer. We take pride in what we do and we are always ready to offer the best when it comes to installing ideal boilers in your home. Reaching and helping out many homes in the beautify city of London for over a decade now, we understand the value in treating clients right, what clients want in return for the installation services been paid for and how they want it done.
Ideal Boiler Approved Installer
With these outstanding experience, you shouldn’t look any further because we are just the ideal boiler approved installer you have been wanting to hire for your ideal boiler installation.
Having served the city of London for many years, we are not restricted to certain models of ideal boilers. Our engineers are well knowledged, experienced and well kitted with the right kind of tools to carry out installation for any kind of ideal boiler. Be it Ideal logic+, Ideal Logic, Ideal Independent boilers, Ideal Keston, Ideal Imini or Ideal Vogue, we are up-to-the-task, giving you a clean and perfect installation with zero-error.
Our experience as one of the best ideal boiler approved installers shows us a clear picture of what homeowners do go through when it comes to picking a single ideal boiler that is considered suitable from the vast selection of ideal boilers on the market.
With this known fact, we do not only offer installation services, but we also take steps further advising as to which ideal boiler will be most suitable for your home. Whether you stay in a bungalow, duplex, or small apartments, we know the perfect ideal boiler that can give you that efficient, reliable and environmentally friendly experience that you want.
As an Ideal boiler approved installer, we have to offer our services at highly competitive rates with a guarantee of two to five years. More so, all our operations are approved by several authorities and association in London. These include the Contractors Health and Safety Assessment Scheme, Gas Safe, and the Institute of Plumbing and Heating Engineers.
With us, things never go wrong! To enjoy our installation service, all you have to do is contact us from anywhere in London and we will be right at your doorsteps waiting to give you the best.
Get In Touch
You can contact Master Gas 24 hours a day and a member of our team will only be pleased to receive your call request.
By using Master Gas you can rest assured that your job will be completed by experts and to your satisfaction, not forgetting, of course, our workmanship guarantee. Call today
0203 667 7276

Glow Error Codes
Boiler Model | Fault Code | Cause of Problem |
---|---|---|
Betacom | Red LED on | Lockout – low water pressure (increase pressure to 1.5bar) and reset boiler |
Betacom | Red LED flashing | Overheat – check both overheat stats |
Betacom | Yellow LED flashing | Turn domestic hot water (DHW) control knob into temperature range and turn central heating (CH) temperature control knob into power (reset position) and wait for minimum of 30 seconds before turning into either summer or temperature position |
Betacom | Yellow LED on | Flame present on the burner |
Betacom | Green LED on | Boiler ready for operation |
Betacom | Green LED off | No power to boiler – Check for 230volts into the appliance, check fuse on printed circuit board (PCB) |
Betacom / Ultracom₂ cxi / sxi / 35 | F00 / F10 / F71 | Flow heating temperature sensor fault |
Betacom / Ultracom₂ cxi / sxi / 35 | F01 / F11 | Return heating temperature sensor fault |
Betacom / Ultracom₂ cxi / sxi / 35 | F20 | Overheating fault |
Betacom / Ultracom₂ cxi / sxi / hxi / 35 / Flexicom cx / hx / sx | F9 / F22 | Low water pressure (or ignition temperature rise too slow) |
Betacom / Ultracom₂ cxi / sxi / 35 | F26 / F77 | Fault in gas valve |
Betacom / Ultracom₂ cxi / sxi / 35 / CI / hxi / Xtramax HE | F27 / F16 | Flame detection fault |
All Boilers | F28 / F1 / F4 | Ignition fault (flame detection) |
Betacom / Ultracom₂ cxi / sxi / 35 | F29 | Loss of flame during operation |
Betacom / Ultracom₂ cxi / sxi / 35 | F32 | Incorrect air pressure |
Betacom / Ultracom₂ cxi / sxi / 35 | F49 | EBUS voltage fault |
Betacom / Ultracom₂ cxi / sxi / 35 | F61 / F62 / F63 / F64 / F65 / F67 | Fault in the main board |
Betacom / Ultracom₂ cxi / sxi / 35 | F68 | Fluctuation of flame signal |
Betacom / Ultracom₂ cxi / sxi / 35 | F70 | User interface incompatible with the main board |
Betacom / Ultracom₂ cxi / sxi / 35 | F72 / F84 | Permanent temperature difference between flow and return heating sensors |
Betacom / Ultracom₂ cxi / sxi / 35 | F73 / F74 | Heating circuit pressure sensor fault |
Betacom / Ultracom₂ cxi / sxi / 35 | F76 | Thermal fuse fault |
Betacom / Ultracom₂ cxi / sxi / 35 | F83 | Thermal fuse fault |
Betacom / Ultracom₂ cxi / sxi / 35 | F85 | Flow and Return heating sensor fault |
Betacom / Ultracom₂ cxi / sxi / 35 | F86 | Underfloor heating contact fault |
All Boilers | ERR / F12 / F18 | User interface fault |
Betacom c | Temperature 30 flashing | Fault on central heating (CH) thermistor |
Betacom c | Temperature 40 flashing | Fault on DHW thermistor |
Betacom c | Temperature 50 flashing | Fault on outside sensor |
Betacom c | Temperature 60 flashing | Low system pressure |
Betacom c | Temperature 70 flashing | Fault on APS |
Betacom c | Temperature 80 flashing | Overheat open circuit |
Betacom c | Temperature 90 flashing | Flame or gas failure |
Compact e / s | No DHW | Check dhw microswitch / Check external controls, Please test for 230V on switch live contact |
Compact e / s | No C/H | Check dhw microswitch if dhw demand led is lit / Check external controls, Please test for 230V on switch live contact |
Compact e / s | No C/H but boiler is firing | Check divertor motor and cartridge / Check external controls, Please test for 230V on switch live contact |
Compact e / s | Boiler locks out within 10 seconds | Check pump proving switch, air pressure switch and overheat state / Check pump proving switch, air pressure switch and overheat stat |
Compact e / s | Poor burner pressure | Check burner pressure/ignition adjustment pots on PCB |
Ci Range (plus) / Si range | F2 | Fan/APS |
All Boilers | F5 | Overheat Fault |
All Boilers | F6 | Central heating flow thermistor |
All Boilers | F7 | Domestic hot water thermistor |
All Boilers | F8 | Tank thermistor fault |
sxi / si / ci (plus) range / Xtramax HE | F9 | Water pressure sensor fault (please contact GW technical department for further information) |
All boilers | F10 | Central return flow thermistor |
All boilers | F11 | Main board connection fault |
Ci (plus) / cxi / hxi / si / sxi range | F12 | Connection fault between main printed circtuit board (PCB) and display PCB |
Ci (plus) / cxi / hxi / si / sxi range | F13 | Main pcb connection fault |
Ci (plus) / cxi / hxi / si / sxi range | F14 | Central heating flow temperature > 95 degrees |
Ci (plus) / cxi / si / sxi range | F15 | Gas valve stepper motor fault |
Ci (plus) / cxi / hxi / si / sxi range / Xtramax HE | F17 | Power supply is less than 170v |
Ci (plus) / cxi / hxi / si / sxi range / Xtramax HE | F19 | Central heating thermistor unplugged |
Ci (plus) / cxi / hxi / si / sxi range / Xtramax HE | F20 | Software incompatibility |
cxi / hxi / sxi range / Flexicom cx | F24 | Central heating return temperature > 90 degrees |
cxi / hxi / sxi / Xtrafast 96/120 / Xtrafast 96/120E1 | F25 / F26 / F11 | Poor circulation |
ci range | F3 | Air fault |
ci range | F3 | Air fault |
cxi / sxi / hxi range/ Xtramax HE | F2 / F3 | Fan |
cxi / sxi range / Flexicom cx / hx / sx / hxi / Ultracom cxi / cx / hxi / sxi / Ultrapower sxi | F3 | Fan unable to reach ignition speed |
Flexicom cx / hx / sx / hxi / Ultracom cxi / cx / hxi / sxi | F9 | Water pressure sensor fault, blocked flow filter or pump fault |
Flexicom cx / hx / sx | F11 | Flow and or return thermistor fault |
Flexicom cx / hx / sx / Ultracom cxi / cx / hxi / sxi / Xtramax HE | F13 | PCB memory or sensing fault |
Flexicom cx / hx / sx / Ultracom cxi / cx / hxi / sxi / Xtramax HE | F14 | Gas valve control defective |
Flexicom cx / hx / sx / Ultracom cxi / cx / hxi / sxi / Xtramax HE | F15 | E-bus voltage failure |
All boilers | F25 / F23 | Circulation fault |
Flexicom cx / hx / sx / Ultracom cxi / cx / hxi / sxi | F43 | Generic error |
Flexicom cx / hx / sx / Ultracom cxi / cx / hxi / sxi | F70 | Software incompatible |
Flexicom cx / hx / sx / Ultracom cxi / cx / hxi / sxi | F73 | Unable to see pump activate |
Flexicom cx / hx / sx / Ultracom cxi / cx / hxi / sxi | F77 | Condensate pump error (optional) |
hxi range | F9 | Earlier models only (please contact GW technical department for further information) |
hxi range | F9 | Earlier models only (please contact GW technical department for further information) |
Ultracom₂ 35 Store | F02 / F12 | Hot water temperature sensor fault |
Ultracom₂ 35 Store | F03 / F13 / F79 | Storage tank temperature sensor fault |
Ultracom₂ 35 Store | F81 | Overheating of hot water circuit |
All Ultracom | No display or Er | loose connection X51 |
Xtramax HE Range | F24 | Cental heating return temperature > 90 degrees |
Xtramax HE Range | F25 | Maximum temperature rise slope |
Xtramax HE Range | F26 | Maximum delta temperature |
Xtrafast 96/120 Range | F00 | No fault/td> |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F00 | No fault |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F02 | Air flow fault |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F05 | Overheating |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F06 | Central heating thermistor/wiring fault |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F08 | Storage vessel thermistor/wiring fault |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F09 | System pressure sensor fault |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F10 | Fan fault |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F13 | Main printed circuit board (PCB) fault |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F14 | Central heating flow temperature > 97 degrees |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F15 | Gas mechanism fault |
Xtrafast 96/120 Range / Xtrafast 96/120E1 Range | F20 | Communication fault |
Fault Code | Cause of Problem |
---|---|
F.00 | Flow temperature sensor |
F.00 | Flow temperature sensor |
F.10 | Flow temperature sensor short circuit |
F.11 | Flow temperature sensor short circuit |
F.12 and F.91 | Cylinder temperature sensor short circuit |
F.13 | Domestic hot water cylinder temperature sensor short circuit |
F.20 | Safety switch-off – overheating temperature reached |
F.22 | Safety switch-off – low water pressure in the boiler |
F.23 | Safety switch-off – temperature difference too great (NTC1/NTC2) |
F.24 | Safety switch-off – temperature rise too fast |
F.25 | Safety switch-off – flue gas temperature too high |
F.27 | Safety switch-off – fault in flame detection |
F.28 | Ignition unsuccessful when starting up |
F.29 | Flame loss |
F.32 | Fan frost protection function active – fan speed outside the tolerance values |
F.33 | Fan frost protection function active – air pressure switch fault |
FA9 | eBUS fault – voltage too low |
F.61 | Gas valve control system fault |
F.82 | Gas valve switch-off control fault |
F.83 | EEPROM fault – electronics defective |
F.64 | Electronics/sensor/analogue-to-digital converter fault |
F.85 | Electronics temperature too high |
F.67 | Value sent back by ASIC is incorrect (flame slgnal) |
F.88 | Unstable flame (analogue input), underfloor heating contact or gas valve fault |
F.70 | Invalid product code (DSN) |
F.71 | Flow/return temperature sensor |
F.72 | Deviation in the water pressure sensor/return temperature sensor |
F.73 | Water pressure sensor not connected or has short-circuited |
F.74 | Electrical problem in the water pressure sensor |
F.75 | Pressure sensor fault |
F.78 | The safety cut-out in the primary heat exchanger is defective |
F.77 | Fault: Condensate or smoke |
F.78 | Interruption to domestic hot water (DHW) outlet sensor at external controller |
F.83 | Burner temperature sensor fault |
F.84 | Flow/return temperature sensor fault |
F.85 | Temperature sensor fault |
F.87 | Electrodes fault |
F.89 | Pump fault |
Connection | No communication between the printed circuit board (PCB) and the user interface |
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