XSol Diagnostic System

GLOW WORM SWIFTFLOW 100 S.I.T. CONTROL

GLOBALLY REPLACED

Next: &1, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

GLOW WORM SWIFTFLOW 100 S.I.T. CONTROL

G.C. NUMBER 47 313 0

Next: &5, !f2

SPARKING

GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: &11, f6

IGNITE PILOT

GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: &23, f15

ESTABLISH PILOT

GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: &29, f24

FLAME FAILURE

GAS ON; PILOT ON
GAS CONTROL KNOB IN MAIN BURNER POSITION
GAS OFF EXTINGUISH PILOT

Next: &32, !f113

SLOW FAN

GAIN ACCESS TO THE COMBUSTION CHAMBER TO OBSERVE THE FAN
ENSURE NO DEMANDS

Next: &40, ?122, ?124, ?385

MAINS LED

SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &46, f41

LOW SYSTEM PRESSURE LED

SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &60, f47

CH HIGH FAN

SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &62, f267

CH PUMP RUNS

SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &66, f63

CH BURNER IGNITES

SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &82, f67

CH MODULATION

SELECTOR SWITCH ON.<

Next: &183, f324

DHW HIGH FAN

SELECTOR SWITCH OFF
TURN HOT WATER TAP ON

Next: &94, !f93

DHW BURNER IGNITES

SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &96, !f95

DHW OVERRUN

SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &98, !f97

DHW MODULATION

SELECTOR SWITCH OFF<

Next: &102, f99

CENTRAL HEATING

SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &107, ?103, ?105

HOT WATER

SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &nff, !f108

DHW RUNNING LED

SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: &92, f184

DHW MODULATION

KIT - PCB

Next: End

HOT WATER

HEAT EXCHANGER

Next: End

FLAME FAILURE

GAS VALVE ASSEMBLY

Next: End

SLOW FAN

Next: End

SLOW FAN

KIT - PCB

Next: End

SLOW FAN

FUSE 1.6A FS1

Next: End

SLOW FAN

FLOW SWITCH - PLATON (DHW)

Next: End

SPARKING

LEAD - IGNITION SPECIAL

Next: End

DHW RUNNING LED

FILTER - WATER

Next: End

ELECTRICAL CHECKS

ELECTRICAL CHECK

Next: End

IGNITE PILOT

INJECTOR - PILOT - SPARES

Next: End

ESTABLISH PILOT

THERMOCOUPLE

Next: End

CH RUNNING LED

LIGHT SWITCH - SIGNAL (SELECTOR SWITCH)

Next: End

CH HIGH FAN NEW PCB

KIT - PCB

Next: End

CH BURNER IGNITES

GAS VALVE MAIN SOLENOID

Next: End

CH BURNER IGNITES

PRESSURE SWITCH SQUARE PLASTIC (LOW WATER)

Next: End

CH MODULATION

MODULATOR COIL

Next: End

CH MODULATION

USER PCB - SPECIAL

Next: End

CH MODULATION

THERMISTOR ASSEMBLY - SPARES SPECIAL (CH)

Next: End

CH MODULATION

CONTROL BOARD POTENTIOMETER SETTINGS

Next: End

OUT OF RANGE

THERMISTOR ASSEMBLY (DHW)

Next: End

WORN

PRESSURE SWITCH - AIR - HONEYWELL

Next: End

CH BURNER IGNITES

AIR PRESSURE SWITCH TUBES

Next: End

WORN DIRTY

FAN ASSEMBLY

Next: End

CH BURNER IGNITES

FLUE

Next: End

MAINS LED FAN ONLY RUNS SLOWLY

FUSE 630MA FS2

Next: End

MAINS LED

FUSE 630MA FS2

Next: End

MAINS LED

TRANSFORMER

Next: End

LOW SYSTEM PRESSURE LED

SYSTEM PRESSURE

Next: End

LOW SYSTEM PRESSURE LED

PRESSURE SWITCH SQUARE PLASTIC (LOW WATER)

Next: End

CH PUMP RUNS

KIT - PCB

Next: End

CH BURNER IGNITES

THERMISTOR ASSEMBLY - SPARES SPECIAL (CH)

Next: End

DHW HIGH FAN

KIT - PCB

Next: End

DHW BURNER IGNITES

THERMISTOR ASSEMBLY (DHW)

Next: End

DHW OVERRUN

KIT - PCB

Next: End

SPARKING

ELECTRODE - BUCCLEUCH

Next: End

DHW MODULATION

THERMISTOR ASSEMBLY (DHW)

Next: End

CENTRAL HEATING

HEAT EXCHANGER

Next: End

CENTRAL HEATING

Next: End

IGNITE PILOT

GAS VALVE ASSEMBLY

Next: End

ESTABLISH PILOT

GAS VALVE ASSEMBLY

Next: End

SLOW FAN

FAN ASSEMBLY

Next: End

SLOW FAN 2

KIT - PCB

Next: End

SLOW FAN 3

KIT - PCB

Next: End

SPARKING

SPARK GENERATOR

Next: End

DHW RUNNING LED

FLOW SWITCH - PLATON (DHW)

Next: End

CH HIGH FAN

Next: End

ESTABLISH PILOT

THERMOSTAT - OVERHEAT CUT-OFF CH

Next: End

CH BURNER IGNITES

KIT - PCB

Next: End

CH BURNER IGNITES

HIGH LIMIT CONTROL (DHW)

Next: End

CH MODULATION

KIT - PCB

Next: End

DHW RUNNING LED

KIT - PCB

Next: End

CH HIGH FAN

KIT - PCB

Next: End

NEUTRAL FAULT

KIT - PCB

Next: End

NOT ENOUGH PRESSURE

FAN ASSEMBLY

Next: End

CH RUNNING LED

INTERFACE PCB - SPECIAL

Next: End

FAN ONLY RUNS SLOWLY

KIT - PCB

Next: End

MAINS LED

USER PCB - SPECIAL

Next: End

LOW SYSTEM PRESSURE LED

USER PCB - SPECIAL

Next: End

CH PUMP RUNS

CIRCULATOR - SPARES SPECIAL (PUMP)

Next: End

CH BURNER IGNITES (1)

GAS VALVE ASSEMBLY

Next: End

Noisy operation

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p104

FLOW PIPE DOES NOT GET HOT

CHARACTERISTIC TEST FROM CENTRAL HEATING

Next: !p106

Fan does not run

CHARACTERISTIC TEST FROM SLOW FAN

Next: p126

Fan does not slow down

CHARACTERISTIC TEST FROM SLOW FAN

Next: p125

APPROXIMATELY 0VDC MEASURED ON TEST 1

CHARACTERISTIC TEST FROM VOLTAGE INTERFACE PCB TO MAIN PCB

Next: !p349

VOLTAGE OK ON TEST 1 , BUT NOT ON TEST 2

CHARACTERISTIC TEST FROM VOLTAGE INTERFACE PCB TO MAIN PCB

Next: !p353

FAN ONLY RUNS SLOWLY

CHARACTERISTIC TEST FROM SLOW FAN

Next: p387

01/08/2018 14:07:40 1807_1_50_1 16/08/2018 11:34:52

01/08/2018 15:22:15

Next: End

MAINS POWER SUPPLY

{GAINPCBACS}
SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: p133, !f130

PILOT INJECTOR

GAS OFF

Next: !p111, !f21

DHW FLOW SWITCH

DISCONNECT THE DHW FLOW SWITCH INLINE CONNECTOR

Next: p342, f187

DHW INLET FILTER

DHW WATER CIRCUIT ISOLATED AND DRAINED

Next: !p188, !f189

BOILER OVERHEAT VOLTAGE

SELECTOR SWITCH OFF
GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: !p112, f25

THERMOCOUPLE

SELECTOR SWITCH OFF
GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: !p27, !f26

SELECTOR SWITCH

SELECTOR SWITCH ON
DISCONNECT CONNECTOR CN4

Next: p288, !f269

OBSERVATION IS INTERFACE PCB FITTED

Next: p298, !f299

WATER PRESSURE SWITCH (PRESSURISED)

REMOVE YELLOW WIRE (

Next: !p308, !f306

MODULATION COIL RESISTANCE

SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION
DISCONNECT CONNECTOR CN1

Next: p325, !f326

RESISTANCE APS USING TEST KIT

REMOVE TUBES FROM APS.
ATTACH MULTIMETER TO APS USING CROCODILE CLIPS.

Next: p369, !f367

FUSE FS2

Next: p43, !f42

SYSTEM PRESSURE

Next: p49, !f48

IGNITION LEAD

GAS OFF
SELECTOR SWITCH OFF
GAS CONTROL KNOB IN PILOT IGNITION POSITION

Next: !p10, f7

WATER PUMP VOLTAGE

{GAINPCBACS}
SELECTOR SWITCH ON

Next: !p65, !f64

AIR PRESSURE SWITCH

GAS OFF
SELECTOR

Next: p73, f358

RESISTANCE CHECK IGNITION LEAD

REMOVE IGNITION LEAD FROM SPARK PIEZO IGNITER AND ELECTRODE

Next: !p149, !f150

CH THERMISTOR

SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION
DISCONNECT CONNECTOR CN4

Next: p76, !f75

DHW POTENTIOMETER

REMOVE KNOB FROM CH POTENTIOMETER ON MAIN PCB

Next: !p101, !f100

DHW FLOW SWITCH (OPEN CIRCUIT)

DISCONNECT THE DHW FLOW SWITCH INLINE CONNECTOR

Next: !p136, !f137

TRANSFORMER

{GAINPCBACS}
SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: p127, f128

SLOW FAN VOLTAGE

{GAINPCBACS}
SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: !p131, !f132

FUSE FS1

Next: !p134, !f135

LINK OUT EXTERNAL CONTROLS

{GAINPCBACS}
LINK PINS 1 AND 2 OF FIVE POLE CONNECTOR ON MOUNTING FRAME
SELECTOR SWITCH ON

Next: !p268, f297

VOLTAGE INTERFACE PCB TO MAIN PCB

SELECTOR SWITCH ON

Next: !p384, ?348, ?352

CH POTENTIOMETER

REMOVE KNOB FROM CH

Next: p327, !f328

CH THERMISTOR

SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION
DISCONNECT CONNECTOR CN4

Next: p332, !f330

OBSERVATION CONTROL PCB CH POTENTIOMETER SETTING

{GAINPCBACS}

Next: !p334, !f333

RESISTANCE DHW THERMISTOR

DISCONNECT CONNECTOR CN4

Next: !p343, !f344

AIR PRESSURE SWITCH TUBES

Next: p371, !f370

INSPECTION FAN AND VENTURI

REMOVE THE FAN ASSEMBLY FROM THE BOILER

Next: p373, !f372

FLUE

GAS OFF

Next: !p374, !f375

FUSE FS2

Next: !p394, !f389

TRANSFORMER

{GAINPCBACS}
SELECTOR SWITCH OFF
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: !p45, !f44

WATER PRESSURE SWITCH (LOW PRESSURE)

SYSTEM PRESSURISED

Next: !p51, !f50

CH SOLENOID COIL VOLTAGE

{GAINPCBACS}
SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION

Next: p79, f74

DHW HIGH LIMIT CONTROL

DISCONNECT THE LEADS FROM THE AIR PRESSURE SWITCH
REMOVE CONNECTOR CN1 FROM THE PCB

Next: !p307, f304

SOLENOID COIL RESISTANCE

SELECTOR SWITCH ON
GAS CONTROL KNOB IN MAIN BURNER POSITION
DISCONNECT CONNECTOR CN1

Next: !p81, !f302

Welcome to the XSol Diagnostic System

System Information