XSol Diagnostic System

Interactive Test Sequence Navigator

Welcome to the XSol Diagnostic System

This system provides interactive diagnostic tests with proper sequence navigation based on the decoded .seq file logic.

Start Diagnostic Sequence

or choose a specific test below:

IDEAL CLASSIC NF 80

G.C. NUMBER 47 415 0

Next: &18, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

HOT WATER

CH/HW SWITCH IN HW POSITION

Next: &nff, ?130, ?132, ?134

CENTRAL HEATING OPERATION

CH/HW SWITCH IN CH POSITION
BOILER ON/OFF SWITCH ON
ENSURE BOILER NOT IN PRE-HEAT MODE

Next: &1, ?120, ?122, ?124

DHW MAIN BURNER PRESSURE

{ISOLATEMAINSPOWER}<

Next: &2, f117

DHW MAIN BURNER IGNITES

CH/HW SWITCH IN HW POSITION
ON/OFF SWITCH TO ON

Next: &3, !f113

DIVERTER VALVE DE-ENERGIZED

CH/HW SELECTOR SWITCH IN HW POSITION.

Next: &4, !f112

DHW FLOW RATE

{ISOLATEMAINSPOWER}

Next: &5, f107

CH MAIN BURNER PRESSURE

{ISOLATEMAINSPOWER}<

Next: &6, f102

CH MAIN BURNER IGNITES

CH/HW SWITCH IN CH POSITION
ON/OFF SWITCH ON
ENSURE BOILER NOT IN PRE-HEAT MODE

Next: &7, f99

DIVERTER VALVE OPERATION (ENERGIZED)

CH/HW SWITCH IN CH POSITION
ENSURE BOILER IS NOT IN PRE-HEAT MODE

Next: &8, f96

CH PUMP RUNS

CH/HW SWITCH IN CH POSITION
ENSURE BOILER NOT IN PRE-HEAT MODE

Next: &9, f91

PRE-HEAT CYCLE COMPLETE

CH/HW SWITCH IN HW POSITION
ENSURE BOILER IS IN PRE-HEAT MODE
BOILER SWITCH IN ON POSITION

Next: &10, f88

BURNER IGNITES (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: &11, f78

FAN RUNS (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: &144, f41

MAINS NEON I 3 (PRE-HEAT)

{ISOLATEMAINSPOWER}<

Next: &14, f36

PUMP RUNS (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: &15, f21

SYSTEM CHECK

{ISOLATEMAINSPOWER}
PLEASE ENSURE THE FOLLOWING SYSTEM CHECKS ARE COMPLETED

Next: &16, !f20

IDEAL CLASSIC NF 80

{ISOLATEMAINSPOWER}<

Next: &17, !f19

PILOT IGNITES (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: &12, f145

CH MAIN BURNER IGNITES

THERMOSTAT - HIGH SETTING ELMWOOD SENSORS

Next: End

CH MAIN BURNER PRESSURE

PCB 27 - PACTROL NO 27

Next: End

CH MAIN BURNER PRESSURE

GV3 COIL

Next: End

DHW FLOW RATE

DHW FILTER

Next: End

DHW FLOW RATE

STRAINER

Next: End

DIVERTER VALVE DE-ENERGIZED

DIVERTER VALVE SUB - ASSEMBLY 3 WAY

Next: End

DHW MAIN BURNER IGNITES

FLOW SWITCH SUB ASSEMBLY C/W FLOW SWITCH

Next: End

DHW MAIN BURNER PRESSURE

THERMOSTAT - DHW - ELMWOOD

Next: End

CENTRAL HEATING OPERATION

WAX THERMOSTAT ASSEMBLY

Next: End

CENTRAL HEATING OPERATION

DIVERTER VALVE SUB - ASSEMBLY 3 WAY

Next: End

HOT WATER

STRAINER

Next: End

HOT WATER

THERMOSTAT - DHW - ELMWOOD

Next: End

FAN RUNS (PRE-HEAT)

KIT - ON/OFF C/W ROCKER SWITCH

Next: End

FAN IMPELLER

PCB 25E - PACTROL

Next: End

PILOT IGNITES (PRE-HEAT)

FLUE

Next: End

PILOT IGNITES (PRE-HEAT)

KIT - PRESSURE SENSING TUBES

Next: End

PILOT IGNITES (PRE-HEAT) (FAIL)

PCB 25E - PACTROL

Next: End

PILOT IGNITES (PRE-HEAT)

GV1 COIL

Next: End

PILOT IGNITES (PRE-HEAT)

KIT - INJECTOR - PILOT BURNER

Next: End

PILOT IGNITES (PRE-HEAT)

ELECTRODE - IGNITION C/W LEAD

Next: End

ELECTRICAL CHECK

ELECTRICAL CHECK

Next: End

SYSTEM CHECK

SYSTEM CHECK

Next: End

PUMP RUNS (PRE-HEAT)

Next: End

PUMP RUNS (PRE-HEAT)

THERMOSTAT - HIGH SETTING ELMWOOD SENSORS

Next: End

PUMP RUNS (PRE-HEAT)

DHW PRE-HEAT THERMOSTAT

Next: End

PUMP VOLTAGE (PRE-HEAT)

PCB 27 - PACTROL NO 27

Next: End

MAINS NEON I 3 (PRE-HEAT)

THERMOSTAT - OVERHEAT - RANCO

Next: End

MAINS NEON I 3 (PRE-HEAT)

PCB 27 - PACTROL NO 27

Next: End

FAN RUNS (PRE-HEAT)

FUSE: PCB NO.26

Next: End

FAN RUNS (PRE-HEAT)

PRESSURE SWITCH

Next: End

FAN RUNS (PRE-HEAT)

KIT - PRESSURE SENSING TUBES

Next: End

FAN RUNS (PRE-HEAT)

FAN ASSEMBLY (IMPELLER)

Next: End

BURNER IGNITES (PRE-HEAT)

ELECTRODE - IGNITION C/W LEAD

Next: End

BURNER IGNITES (PRE-HEAT)

GV2 COIL (MAIN GAS VALVE SOLENOID)

Next: End

BURNER IGNITES (PRE-HEAT)

MAIN GAS VALVE

Next: End

PRE-HEAT CYCLE COMPLETE

FLOW SWITCH SUB ASSEMBLY C/W FLOW SWITCH

Next: End

CH PUMP RUNS

CH/HW SWITCH

Next: End

CH PUMP RUNS

Next: End

DIVERTER VALVE OPERATION (ENERGIZED)

PCB 27 - PACTROL NO 27

Next: End

CH MAIN BURNER IGNITES

PCB 27 - PACTROL NO 27

Next: End

CH MAIN BURNER PRESSURE

GAS VALVE (GV3)

Next: End

DHW FLOW RATE

CALORIFIER

Next: End

DHW MAIN BURNER PRESSURE

PCB 27 - PACTROL NO 27

Next: End

CENTRAL HEATING OPERATION

EXPANSION VESSEL

Next: End

CENTRAL HEATING OPERATION

HEAT EXCHANGER ASSEMBLY

Next: End

CENTRAL HEATING OPERATION

Next: End

HOT WATER

DIVERTER VALVE SUB - ASSEMBLY 3 WAY

Next: End

HOT WATER

CALORIFIER

Next: End

HOT WATER

GAS VALVE (GV3)

Next: End

PCB 26: FUSE

PCB 25E - PACTROL

Next: End

PILOT IGNITES (PRE-HEAT)

PRESSURE SWITCH

Next: End

PILOT IGNITES (PRE-HEAT) (PASS)

PCB 25E - PACTROL

Next: End

PILOT IGNITES (PRE-HEAT)

PCB 25E - PACTROL

Next: End

PUMP RUNS (PRE-HEAT)

FUSE: PCB NO.27

Next: End

CH SWITCH VOLTAGE

PCB 27 - PACTROL NO 27

Next: End

DHW PRE-HEAT THERMOSTAT

PCB 27 - PACTROL NO 27

Next: End

PUMP RUNS (PRE-HEAT)

PUMP

Next: End

MAINS NEON I 3 (PRE-HEAT)

PCB 25E - PACTROL

Next: End

AIR PRESSURE SWITCH: NO AIR RESISTANCE

PCB 25E - PACTROL

Next: End

FAN RUNS (PRE-HEAT)

FAN ASSEMBLY

Next: End

BURNER IGNITES (PRE-HEAT)

PCB 25E - PACTROL

Next: End

BURNER IGNITES (PRE-HEAT)

INJECTOR - BURNER - BRAY

Next: End

PRE-HEAT CYCLE COMPLETE

DHW PRE-HEAT THERMOSTAT

Next: End

CH PUMP RUNS

PCB 27 - PACTROL NO 27

Next: End

DIVERTER VALVE OPERATION (ENERGIZED)

DIVERTER VALVE SUB - ASSEMBLY 3 WAY

Next: End

EXCESSIVE PRESSURE RISE IN SYSTEM DURING OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p121

NOISY OPERATION (HEAT EXCHANGER NOISY)

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p123

QUIET OPERATION, CORRECT SYSTEM PRESSURE

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: p125

COLD RADIATORS

CHARACTERISTIC TEST FROM HOT WATER

Next: p131

WARM RADIATORS

CHARACTERISTIC TEST FROM HOT WATER

Next: !p133

HOT WATER TOO HOT

CHARACTERISTIC TEST FROM HOT WATER

Next: p135

06/02/2018 11:26:14 1802_1_50_1 06/03/2018 13:49:23

07/02/2018 08:47:22

Next: End

GAS VALVE 3 VOLTAGE (CH DEMAND)

{ISOLATEMAINSPOWER}<

Next: p104, !f103

DHW INLET FILTER

{ISOLATEMAINSPOWER}
MAINS WATER OFF

Next: p109, !f108

DHW CONTROL THERMOSTAT

{ISOLATEMAINSPOWER}
ENSURE THE BOILER IS NOT AT ITS FULL OPERATING TEMPERATURE

Next: !p119, !f118

SPARK GENERATOR (PRE-HEAT)

{ISOLATEMAINSPOWER}<

Next: p146, f147

AIR PRESSURE SWITCH: AIR DETECT (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: p148, f149

FLUE

Next: p150, !f151

DHW OVERHEAT THERMOSTAT VOLTAGE (PRE-HEAT)

{ISOLATEMAINSPOWER}<

Next: p23, f22

CH SWITCH VOLTAGE

{ISOLATEMAINSPOWER}<

Next: p25, f24

MAINS POWER SUPPLY

CH/HW SWITCH IN HW POSITION

Next: !p27, !f26

DHW PRE-HEAT THERMOSTAT

{ISOLATEMAINSPOWER}

Next: !p33, !f32

CH OVERHEAT THERMOSTAT

{ISOLATEMAINSPOWER}<

Next: p38, !f37

PCB 26 RELAY RLA OPERATION (PRE-HEAT)

{ISOLATEMAINSPOWER}<

Next: p43, f42

PCB 26 RELAY RLB OPERATION (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: p45, f44

PCB 26: FUSE

{ISOLATEMAINSPOWER}

Next: p47, !f46

GAS VALVE 2 VOLTAGE (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: p80, f79

ELECTRODE AND LEAD CHECK

{ISOLATEMAINSPOWER}<

Next: !p82, !f81

DHW FLOW SWITCH (STUCK OPEN)

{ISOLATEMAINSPOWER}
GAIN ACCESS TO PCB (USE INSULATION MAT AS REQUIRED)

Next: !p90, !f89

CH SWITCH VOLTAGE

{ISOLATEMAINSPOWER}<

Next: p93, !f92

DIVERTER VALVE MOTOR VOLTAGE

{ISOLATEMAINSPOWER}<

Next: !p98, !f97

CH CONTROL THERMOSTAT

{ISOLATEMAINSPOWER}
ENSURE THAT THE BOILER IS NOT AT ITS FULL OPERATING TEMPERATURE

Next: !p101, !f100

GAS VALVE 3 COIL RESISTANCE

{ISOLATEMAINSPOWER}

Next: !p106, !f105

DHW FLOW ADJUSTER

{ISOLATEMAINSPOWER}

Next: !p111, !f110

CH THERMOSTATIC VALVE

CH/HW SWITCH IN CH POSITION
BOILER ON/OFF SWITCH ON
ENSURE BOILER IS NOT IN PRE-HEAT MODE

Next: p127, !f126

DIVERTER VALVE (LET BY)

{ISOLATEMAINSPOWER}<

Next: !p129, !f128

DHW FLOW ADJUSTER

{ISOLATEMAINSPOWER}

Next: !p137, !f136

DHW MODULATION (GV3 NO VOLTAGE)

{ISOLATEMAINSPOWER}<

Next: !p139, !f138

GAS VALVE 1 RESISTANCE

{ISOLATEMAINSPOWER}

Next: p156, !f157

GAS VALVE 1 VOLTAGE (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: !p154, !f155

AIR PRESSURE SENSING TUBES

{ISOLATEMAINSPOWER}

Next: !p152, !f153

PILOT INJECTOR

{ISOLATEMAINSPOWER}

Next: p158, !f159

SPARK ELECTRODE

{ISOLATEMAINSPOWER}

Next: !p160, !f161

DHW PRE-HEAT THERMOSTAT VOLTAGE (PRE-HEAT)

CH/HW SWITCH IN HW POSITION
ENSURE THAT THE BOILER IS COLD AND READY FOR PRE-HEAT

Next: p31, f30

DHW OVERHEAT THERMOSTAT

{ISOLATEMAINSPOWER}
ENSURE THAT THE BOILER IS NOT AT ITS FULL OPERATING TEMPERATURE

Next: !p29, !f28

PUMP VOLTAGE (PRE-HEAT)

{ISOLATEMAINSPOWER}<

Next: !p35, !f34

PCB 26 MAINS SUPPLY (PRE-HEAT)

{ISOLATEMAINSPOWER}<

Next: !p40, !f39

FAN IMPELLER

{ISOLATEMAINSPOWER}

Next: p56, !f55

AIR PRESSURE SWITCH: NO AIR RESISTANCE

{ISOLATEMAINSPOWER}

Next: p52, !f51

BOILER SWITCH ON VOLTAGE (PRE-HEAT)

CH/HW SWITCH IN HW P

Next: !p141, !f142

AIR PRESSURE SENSING TUBES

{ISOLATEMAINSPOWER}

Next: !p54, !f53

MAINS NEON I 2 (PRE-HEAT)

{ISOLATEMAINSPOWER}<

Next: !p58, !f143

GV2 SOLENOID RESISTANCE

Next: p85, !f83

GAS VALVE 2 OPERATION (PRE-HEAT)

{ISOLATEMAINSPOWER}<

Next: !p87, !f86

ROOM THERMOSTAT VOLTAGE

CH/HW SWITCH IN CH P

Next: !p95, !f94

System Information

  • Total Tests: 135
  • Sequence Logic: Decoded from encrypted .seq file
  • Navigation: Dynamic based on pass/fail results
  • Source: 4731307 GW SWIFTFLOW 100 SIT Control