Fault Finding

Appliance fails to light

The LCD will display a flashing 'F' and code number, press the reset button on the control panel, see diagram 2.

If the display shows a flashing pressure of 0.4bar or less, then you will need to pressurise the system as described below.

If any fault persists, contact your installer/service provider or Glow-worm Service, using the telephone number on the inside front cover of this booklet.

Filling Central Heating System

Remove the cover plate, see diagram 8.

1.Ensure that the filling loop flexible hose is securely connected to the double check inlet valve, see diagram 9.

13539

COVER PLATE

Diagram 8

2.Fully open tap "A", then gradually open tap "B" to fill the heating system to a pressure of 1.0bar. When completed close the filling taps.

3.IMPORTANT: To comply with the water regulations the flexible hose must be disconnected from the double check inlet valve - undo the nut and pull the flexible hose from the valve.

Electrical Supply Failure

The boiler will not work without an electrical supply and normal operation of the boiler should resume when the electrical supply is restored.

If the boiler does not resume normal operation, check the external controls, it may be necessary, to "reset" the boiler, refer to the section, "Boiler Safety Devices".

VALVES SHOWN CLOSED

13470

 

Double Check

Diagram 9

Inlet Valve

 

 

 

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Glowworm Lighting CXI manual Fault Finding, Appliance fails to light, Electrical Supply Failure

CXI specifications

Glowworm Lighting CXI is a highly regarded solution designed for individuals seeking a dependable and efficient heating system. With a focus on performance, this boiler combines advanced technology with user-friendly operation, making it an ideal choice for residential properties.

One of the standout features of the Glowworm Lighting CXI is its impressive energy efficiency. The boiler boasts an A-rated efficiency, which means it operates at a minimum of 90% efficiency under standard conditions. This high level of efficiency not only helps homeowners save on energy bills but also contributes to reduced carbon emissions, making it an environmentally friendly choice.

The CXI series is available in various output levels, ranging from 24 kW to 38 kW, catering to different heating requirements. This versatility is particularly advantageous for households with varying sizes and heating demands. Additionally, the boiler is compact in size, allowing for flexible installation options, whether placed in a kitchen, utility room, or even a cupboard.

Another notable characteristic of the Glowworm Lighting CXI is its innovative design that focuses on ease of use. The user-friendly interface, complete with a digital display, allows homeowners to easily monitor and adjust settings as needed. Moreover, the boiler features an automatic ignition system, eliminating the need for manual lighting and ensuring a hassle-free operation.

The CXI incorporates cutting-edge technologies such as modulating burners. These adjust the heat output according to the demand, leading to consistent heating and increased efficiency. Furthermore, the boiler is compatible with external weather compensation controls, which can optimize performance by adjusting the boiler’s output using external temperature readings.

Maintenance and reliability are also key components of the Glowworm CXI. The boiler is designed with robust components and an array of features that facilitate straightforward servicing. Access panels are strategically placed to allow technicians to conduct maintenance checks with ease, minimizing any potential downtime.

In summary, the Glowworm Lighting CXI boiler is a remarkable choice for anyone in search of an efficient, compact, and user-friendly heating solution. With a focus on energy efficiency, innovative technologies, and a design that prioritizes ease of use, it stands out as a top contender in the residential heating market.