Glowworm Lighting 40 Faulty injector Replace, Faulty PCB flame detection, Does High neon light ?

Page 30

13 Fault Finding

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does the burner

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

remain alight ?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is condense drain

 

 

 

 

 

 

 

 

 

 

 

Is the low gas pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

setting correct (see Data

 

 

blocked, repair.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tables) at the test point

 

 

Does burner remain

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

on the gas valve ?

 

 

 

alight ?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

YES

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the low gas pressure setting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

correct (see data tables)?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjust as necessary.

 

 

 

 

 

 

 

 

 

 

Adjust gas

 

Turn High/Low switch to

 

 

 

 

Does burner remain alight?

 

 

 

 

 

 

 

 

 

 

“High”.

 

 

 

pressure

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

Check and adjust “High”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

gas pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(see data tables)

 

 

 

 

Will burner remain alight if gas

 

 

Is gas pressure OK?

 

 

 

 

 

 

pressure is temporarily

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

increased?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

NO

 

 

 

NO

Faulty injector - Replace

 

(Reset pressure)

 

 

Faulty PCB flame detection -

YES

Replace PCB

 

Does “High” neon light ?

(Reset pressure)

 

 

 

NO

Isolate supply

Boiler satisfactory

Check continuity

NO

 

 

Replace

 

between 4 and 1 on

 

 

 

High/Low

 

High/Low switch.

 

 

 

switch

 

Switch ok ?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

Replace gas valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PM5

Diagram 13.1

221834B

30

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Image 30
Page 29 Page 31
Contents
Guarantee Registration EnergysaverImportant Information CE MarkInstructions for Use Boiler Clearances Boilers Installed in a Compartment or CupboardCleaning Protection Against FreezingTo Turn the Boiler Off Overheat Safety CutoffTo Turn the Boiler On Condensation PlumingBSI Certification GeneralSheet Metal Parts Statutory Requirements Range RatingCondensate Gas SupplyElectrical Supply Heating System ControlsWater System Expansion Vessel Flow Boiler MAXWater Makeup Water SytemPressure Gauge Filling a Sealed Water SystemBoiler Location Flue Rear Flue LengthsTerminal Position Terminal GuardUnpacking diagram PreparationRear and Side Flue Application Flue Hole Cutting Wall Mounting BracketWater and Condensate Connections Water ConnectionsCondensate Connection Flue Installation Flue Duct Wall Liner If a wall liner is used, fit self adhesive seal as followsGas Connection Electrical ConnectionTesting Electrical Pump and External Controls ConnectionCommissioning Initial Lighting, Testing and AdjustmentTesting Gas Preliminaries-All SystemsCondensate Check User InformationHeating System Operational ChecksHeat Exchanger Cleaning ServicingSpark Electrode BurnerInjector Condensate DrainFault Finding ElectricalCondensate Sensor Pump Overrun Operation Is there YES Faulty injector Replace Faulty PCB flame detectionDoes High neon light ? KEY Fault Finding Replacement of Parts Ignition Lead diagramCondensate Sensor diagram Interconnecting PCB ICB diagram 14.3 bottom Printed Circuit Boards PCBs diagramControl PCB diagram 14.3 top Control Thermostat diagram 14.4AHigh/Low Control diagram 14.4 Air Pressure Switch diagramHeat Exchanger Secondary diagram Multifunctional Control diagramHeat Exchanger diagram 14.8 FanHeat Exchanger Primary diagram Burner diagramInsulation Sides diagram Insulation Rear diagramInsulation Combustion Chamber Front Panel diagram Viewing Window Glass diagramSpare Parts Spare PartsDescription GC Part No 6291