XSol Diagnostic System

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:

GLOW-WORM MICRON 60FF (FROM SNO 0035001)

WARNING - IMPORTA

Next: &1258, *

NO FAULT FOUND

Next: nff

GLOW-WORM MICRON 60FF (FROM SNO 0035001)

Next: &2120, !f1448

OPERATIONAL SEQUENCE

OUTSIDE MODEL

Next: &1392, !f1387

CH OPERATION

Next: &1374, ?1346, ?1348, ?1350

DHW OPERATION

{BLRSTATMAX}

Next: &1512, ?1375, ?1377, ?1379

TYPE OF DIAGNOSTIC PROCEDURE

PLEASE SELECT FROM O

Next: &1260, !f1447

ENHANCED FAULT CODES

SELECT APPROPRIATE F

Next: &2198, !f1393

EPROM / PCB / SOFTWARE ERROR

OUTSIDE MODEL

Next: &nff, f1431

POLARITY FAULT

Next: &nff, f1435

BLOCKING ERROR

OUTSIDE MODEL

Next: &nff, f1450

FURTHER INVESTIGATION PCB

OUTSIDE MODEL

Next: &nff, f1471

FURTHER INVESTIGATION FUSE

NOT INSIDE MODEL

Next: &nff, f2152

OBSERVATION PUMP OVERRUN

Next: &nff, !f1513

FAN RUNS WITH DEMAND

{BLRSTATMAX}
EXTERNAL CONTROLS CALLING FOR HEAT
ENSURE BOILER IS COOL

Next: &2325, f1844

FURTHER INVESTIGATION MAINS FUSE

OUTSIDE MODEL

Next: &nff, f2122

INFORMATION PUMP WIRING

Next: &1390, !f2121

OBSERVATION DOES BOILER FIRE WITH NO DEMAND

ENSURE NO DEMANDS

Next: &1770, f2199

OVERHEAT OR EARTH FAULT

OUTSIDE MODEL

Next: &nff, f2294

BURNER IGNITION

{BLRSTATMAX}

Next: &1345, ?2326, ?2328, ?2330

RADIATORS PROVIDE INSUFFICIENT HEAT

GAS INLET PRESSURE

Next: End

RADIATORS PROVIDE INSUFFICIENT HEAT

THERMISTOR

Next: End

BOILER COOL RADIATORS COOL

BURNER INJECTOR

Next: End

BOILER NOISY PUMP RUNS HIGH

PUMP EXTERNAL

Next: End

BOILER TO TEMPERATURE RADIATORS COOL

Next: End

DHW TOO HOT

THERMISTOR

Next: End

OPERATIONAL SEQUENCE

SYSTEM CHECKS

Next: End

BOILER TO TEMPERATURE RADIATORS COOL PUMP RUNS HIGH

PUMP EXTERNAL

Next: End

ENHANCED FAULT CODES

SYSTEM CHECKS

Next: End

PCB ERROR CODE

PCB

Next: End

LED1&2 SLOW FLASH

SOCKET AND SEE

Next: End

TYPE OF DIAG PROC

SYSTEM CHECKS

Next: End

ELECTRICAL CHECKS

SYSTEM CHECKS

Next: End

PUMP OVERRUN

PCB

Next: End

BOILER NOISY

Next: End

BOILER TO TEMP NO PUMP

PCB

Next: End

FURTHER INV PCB

PUMP + PCB

Next: End

FURTHER INV PCB

GAS VALVE + PCB

Next: End

POLARITY FAULT

EARTH LEAD

Next: End

FAN RUNS WITH DEMAND

Next: End

FAN RUNS NO DEMAND

FUSE 2A

Next: End

FAN RUNS WITH DEMAND

THERMISTOR

Next: End

SPARKING PRESENT

AIR PRESSURE SWITCH TUBES

Next: End

SPARKING PRESENT

VENTURI

Next: End

NO FAN

EARTH LEAD

Next: End

FAN RUNS NO DEMAND

HARNESS FAN

Next: End

FAN RUNS WITH DEMAND

PCB

Next: End

FAN RUNS NO DEMAND

MAINS FUSE

Next: End

PUMP WIRING

SYSTEM CHECKS

Next: End

FURTHER INV FUSE

GAS VALVE + MAINS FUSE

Next: End

FURTHER INV FUSE

PUMP + MAINS FUSE

Next: End

FURTHER INV RESISTANCES

THERMISTOR + MAINS FUSE

Next: End

FURTHER INV FUSE

GAS VALVE + FUSE

Next: End

FURTHER INV FUSE

PUMP + FUSE 2A

Next: End

FURTHER INV RESISTANCES

THERMISTOR + FUSE

Next: End

SHORTING

IGNITION ELECTRODE

Next: End

BLOCKING ERROR

IGNITION LEAD ASSEMBLY

Next: End

PASSING

GAS VALVE

Next: End

AUTO FROST

THERMISTOR

Next: End

BOILER ON WITH NO DEMAND

PCB

Next: End

FURTHER INV OVERHEAT

Next: End

NO POWER TO PUMP OVERHEAT

PCB

Next: End

FURTHER INV OVERHEAT LIMPET FAILED

PUMP EXTERNAL

Next: End

PUMP OVERRUN OVERHEAT

PCB

Next: End

NOT SHUTTING OFF FURTHER INV OVERHEAT

THERMISTOR

Next: End

OVERHEAT FAULT

THERMISTOR

Next: End

OVERHEAT INV

THERMOSTAT OVERHEAT

Next: End

BURNER IGNITES BUT FLAME BAFFLES OUT OR DIES AWAY

PCB

Next: End

BURNER IGNITES BUT FLAME BAFFLES OUT OR DIES AWAY

GAS INLET PRESSURE

Next: End

BURNER IGNITES BUT FLAME BAFFLES OUT OR DIES AWAY

HEAT EXCHANGER FLUE WAYS

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH 1

PCB

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

IGNITION ELECTRODE AND GAP

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

HEAT EXCHANGER FLUE WAYS

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

IGNITION LEAD ASSEMBLY

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

FLUE

Next: End

NO SPARKING

AIR PRESSURE SWITCH

Next: End

NO SPARKING

IGNITION ELECTRODE AND GAP

Next: End

NO SPARKING

IGNITION LEAD ASSEMBLY

Next: End

BURNER DOES NOT IGNITE

AIR PRESSURE SWITCH TUBES

Next: End

BURNER DOES NOT IGNITE

VENTURI

Next: End

BURNER DOES NOT IGNITE

FLUE

Next: End

UNABLE TO ADJUST SOFT LIGHT PRESSURE

GAS INLET PRESSURE

Next: End

UNABLE TO ADJUST SOFT LIGHT

THERMOSTAT OVERHEAT

Next: End

UNABLE TO ADJUST SOFT LIGHT

GAS VALVE + PCB

Next: End

UNABLE TO ADJUST SOFT LIGHT

GAS VALVE SOLENOIDS

Next: End

UNABLE TO ADJUST SOFT LIGHT

GAS VALVE

Next: End

SOFT LIGHT ADJUSTMENT

GAS VALVE ADJUSTMENT

Next: End

BURNER IGNITION

GAS INLET PRESSURE

Next: End

BOILER DOES NOT IGNITE

THERMOSTAT OVERHEAT

Next: End

BURNER DOES NOT IGNITE

GAS VALVE + PCB

Next: End

BURNER DOES NOT IGNITE

GAS VALVE SOLENOIDS

Next: End

BURNER IGNITION

BURNER INJECTOR

Next: End

OVERHEAT THERMOSTAT

THERMOSTAT OVERHEAT WATER INGRESS

Next: End

LED 1 ILLU

THERMOSTAT OVERHEAT

Next: End

EARTH FAULT

SOCKET AND SEE

Next: End

NO APPARENT FAULT

FUSE FURTHER INVESTIGATION (MAINS)

Next: End

RADIATORS PROVIDE INSUFFICIENT HEAT

GAS VALVE

Next: End

BOILER COOL RADIATORS COOL

PCB

Next: End

BOILER TO TEMPERATURE RADIATORS COOL

Next: End

DHW TOO COOL

Next: End

DHW OPERATION

Next: End

DHW TOO HOT

Next: End

LED 1&2 SLOW FLASH

SYSTEM CHECKS

Next: End

PCB ERROR CODE

SYSTEM CHECKS

Next: End

LED 1 & 2 SLOW FLASH

PCB

Next: End

BLOCKING ERROR

SYSTEM CHECKS

Next: End

FURTHER INV PCB

PCB

Next: End

BOILER NOISY

HEAT EXCHANGER ASSEMBLY

Next: End

FURTHER INV PCB

PUMP WIRING + PCB

Next: End

FURTHER INV PCB

WATER INGRESS + PCB

Next: End

FURTHER INV PCB

THERMISTOR + PCB

Next: End

FURTHER INV PCB

HARNESS GAS VALVE + PCB

Next: End

FAN RUNS DEMAND

FAN

Next: End

FAN RUNS NO DEMAND

Next: End

FURTHER INVESTIGATION FUSE

SYSTEM CHECKS

Next: End

SPARKING PRESENT

AIR PRESSURE SWITCH

Next: End

PCB FURTHER INVESTIGATION

SYSTEM CHECKS

Next: End

FURTHER INVESTIGATION MAINS FUSE

SYSTEM CHECKS

Next: End

FURTHER INV FUSE

THERMISTOR + MAINS FUSE

Next: End

FURTHER INV FUSE

WATER INGRESS + MAINS FUSE

Next: End

FURTHER INV FUSE

HARNESS GAS VALVE + MAINS FUSE

Next: End

FURTHER INV FUSE

PUMP WIRING + MAINS FUSE

Next: End

FURTHER INV FUSE

THERMISTOR + FUSE

Next: End

FURTHER INV FUSE

WATER INGRESS + FUSE

Next: End

FURTHER INV FUSE

HARNESS GAS VALVE + FUSE

Next: End

FURTHER INV FUSE

PUMP WIRING + FUSE 2A

Next: End

BLOCKING ERROR

PCB

Next: End

BOILER FIRES WITH NO DEMAND

FROST PROTECTION - NORMAL OPERATION

Next: End

BOILER FIRES WITH NO DEMAND

Next: End

FURTHER INV OVERHEAT NOT RUNNING

PUMP EXTERNAL

Next: End

OVERHEAT LOCKOUT

OVERHEAT

Next: End

NOT SHUTTING OFF FURTHER INV OVERHEAT

PCB

Next: End

OVERHEAT INV

PCB

Next: End

BURNER IGNITES BUT FLAME BAFFLES OUT OR DIES AWAY

FAN

Next: End

BURNER IGNITES BUT FLAME BAFFLES OUT OR DIES AWAY

FLUE

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH

FAN

Next: End

BURNER IGNITES BUT DOES NOT ESTABLISH 2

PCB

Next: End

NO SPARKING

PCB

Next: End

RUNNING SLOW

FAN

Next: End

UNABLE TO ADJUST SOFT LIGHT

HARNESS OVERHEAT

Next: End

UNABLE TO ADJUST SOFT LIGHT

PCB

Next: End

UNABLE TO ADJUST SOFT LIGHT

HARNESS GAS VALVE + PCB

Next: End

UNABLE TO ADJUST SOFT LIGHT

HARNESS GAS VALVE

Next: End

SOFT LIGHT PRESSURE INCORRECT/ABSENT

Z DIRECTION

Next: End

BURNER DOES NOT IGNITE

HARNESS OVERHEAT

Next: End

BURNER DOES NOT IGNITE

PCB

Next: End

BURNER DOES NOT IGNITE

HARNESS GAS VALVE + PCB

Next: End

BURNER DOES NOT IGNITE

GAS VALVE

Next: End

BURNER DOES NOT IGNITE

HARNESS GAS VALVE

Next: End

BURNER IGNITION

BURNER

Next: End

LED 1 ILLU

PCB

Next: End

OVERHEAT

HARNESS OVERHEAT

Next: End

NO FAULT

FUSE FURTHER INVESTIGATION

Next: End

FUSE INVESTIGATION - MAINS

Next: End

Boiler to temperature, radiators cool

CHARACTERISTIC TEST FROM CH OPERATION

Next: p1581

RADIATORS HEAT BUT BOILER NOISY

CHARACTERISTIC TEST FROM CH OPERATION

Next: p1349

Boiler cool, radiators cool

CHARACTERISTIC TEST FROM CH OPERATION

Next: p1351

DHW too cool

CHARACTERISTIC TEST FROM DHW OPERATION

Next: !p1376

DHW too hot

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p1378

Boiler does not react to DHW demand

CHARACTERISTIC TEST FROM DHW OPERATION

Next: !p1380

RESISTANCE TO EARTH LOW OR SHORT CIRCUIT

CHARACTERISTIC TEST FROM RESISTANCE THERMISTOR TO EARTH

Next: !p1732

WATER INGRESS IN THERMISTOR POCKET

CHARACTERISTIC TEST FROM RESISTANCE THERMISTOR TO EARTH

Next: !p1731

RESISTANCE TO EARTH LOW OR SHORT CIRCUIT

CHARACTERISTIC TEST FROM RESISTANCE THERMISTOR TO EARTH

Next: !p2140

WATER INGRESS IN THERMISTOR POCKET

CHARACTERISTIC TEST FROM RESISTANCE THERMISTOR TO EARTH

Next: !p2142

RESISTANCE TO EARTH LOW OR SHORT CIRCUIT

CHARACTERISTIC TEST FROM RESISTANCE THERMISTOR TO EARTH

Next: !p2170

WATER INGRESS IN THERMISTOR POCKET

CHARACTERISTIC TEST FROM RESISTANCE THERMISTOR TO EARTH

Next: !p2172

BOILER GOES TO LOCKOUT BEFORE REACHING TEMPERATURE

CHARACTERISTIC TEST FROM OBSERVATION RUN BOILER TO TEMP

Next: p2316

BOILER CONTINUES FIRING PAST 85 DEGREES C

CHARACTERISTIC TEST FROM OBSERVATION RUN BOILER TO TEMP

Next: p2318

Burner does not ignite

CHARACTERISTIC TEST FROM BURNER IGNITION

Next: p2327

BURNER IGNITES BUT DOES NOT ESTABLISH

CHARACTERISTIC TEST FROM BURNER IGNITION

Next: p2329

BURNER IGNITES BUT BAFFLES OUT

CHARACTERISTIC TEST FROM BURNER IGNITION

Next: p2331

SOFT LIGHT PRESSURE CORRECT BUT BURNER PRESSURE INCORRECT

CHARACTERISTIC TEST FROM PRESSURE BURNER AND SOFT LIGHT

Next: p2371

SOFT LIGHT PRESSURE INCORRECT/ABSENT

CHARACTERISTIC TEST FROM PRESSURE BURNER AND SOFT LIGHT

Next: p2373

07/10/2019 13:57:28 1908_1_50_1 22/10/2019 13:04:15

07/10/2019 14:47:36

Next: End

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
EXTERNAL CONTROLS CALLING

Next: !p1354, !f1355

OBSERVATION BOILER RESET

Next: !p1441, !f1433

OBSERVATION BOILER RESET POLARITY FAULT

Next: !p1436, f1442

SOCKET AND SEE TEST

GAIN ACCESS TO APPLIANCE TERMINAL STRIP

Next: p1443, !f1444

OBSERVATION BOILER RESET BLOCKING ERROR

Next: !p1451, f2184

RESISTANCE THERMISTOR TO EARTH

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p1472, ?1728, ?1730

RESISTANCE PUMP

DISCONNECT WIRES FROM PUMP

Next: !p1726, !f1725

RESISTANCE GAS VALVE

REMOVE THE CONNECTOR PLUG FROM THE GAS VALVE

Next: !p1764, !f1765

VOLTAGE FAN AT FAN

Next: !p1845, f1925

MAINS POWER SUPPLY

Next: p1926, f1927

MAINS POWER SUPPLY FUSE

REMOVE THE FUSE FROM THE APPLIANCE MAINS POWER SUPPLY I.E. FUSED SPUR

Next: !p1928, f2029

FUSE FURTHER INVESTIGATION

THE INFORMATION PROV

Next: !p1979, !f1980

AIR PRESSURE SWITCH TUBES

Next: p1998, !f1999

MAINS FUSE FURTHER INVESTIGATION

THE INFORMATION PROV

Next: !p2030, !f2031

THERMISTOR

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p2137, !f2151

RESISTANCE GAS VALVE

REMOVE THE CONNECTOR PLUG FROM THE GAS VALVE

Next: !p2145, !f2146

RESISTANCE PUMP

DISCONNECT WIRES FROM PUMP

Next: !p2149, !f2150

THERMISTOR

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p2167, !f2181

RESISTANCE GAS VALVE

REMOVE THE CONNECTOR PLUG FROM THE GAS VALVE

Next: !p2175, !f2176

RESISTANCE PUMP

DISCONNECT WIRES FROM PUMP

Next: !p2179, !f2180

RESISTANCE ELECTRODE TO EARTH

DISCONNECT THE SPARK ELECTRODE FROM THE IGNITION LEAD ASSEMBLY CONNECTOR

Next: p2185, !f2186

OBSERVATION FROST PROTECTION

Next: !p2200, f2201

THERMISTOR

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p2202, !f2203

OBSERVATION BOILER RESET OVERHEAT

ENSURE BOILER IS COOL

Next: p2295, f2412

VOLTAGE TO PUMP

Next: !p2307, !f2308

FAN VOLTAGE

Next: !p2334, !f2335

FAN VOLTAGE

Next: !p2342, !f2343

PRESSURE APS SWITCHING

DISCONNECT LEADS FROM THE AIR PRESSURE SWITCH NOTING THE CONNECTIONS

Next: p2354, !f2355

IGNITION ELECTRODE AND GAP

DISCONNECT THE IGNITION LEAD TO THE ELECTRODE

Next: p2358, !f2359

RESISTANCE OVERHEAT THERMOSTAT AND HARNESS

REMOVE THE OVERHEAT CONNECTOR FROM THE PCB
THIS IS THE CONNECTOR WHICH HAS THE 2 BROWN WIRES

Next: p2378, f2379

OVERHEAT THERMOSTAT

REMOVE ONE OF THE BROWN LEADS FROM THE OVERHEAT THERMOSTAT
ENSURE APPLIANCE IS COOL

Next: !p2380, !f2381

RESISTANCE GAS VALVE

REMOVE THE CONNECTOR PLUG FROM THE GAS VALVE

Next: !p2384, !f2385

RESISTANCE GAS VALVE

REMOVE THE CONNECTOR PLUG FROM THE GAS VALVE

Next: !p2388, !f2389

RESISTANCE OVERHEAT THERMOSTAT AND HARNESS

REMOVE THE OVERHEAT CONNECTOR FROM THE PCB
THIS IS THE CONNECTOR WHICH HAS THE 2 BROWN WIRES

Next: p2398, f2399

OVERHEAT THERMOSTAT

REMOVE ONE OF THE BROWN LEADS FROM THE OVERHEAT THERMOSTAT
ENSURE APPLIANCE IS COOL

Next: !p2400, !f2401

RESISTANCE GAS VALVE

REMOVE THE CONNECTOR PLUG FROM THE GAS VALVE

Next: !p2404, !f2405

RESISTANCE GAS VALVE

REMOVE THE CONNECTOR PLUG FROM THE GAS VALVE

Next: !p2408, !f2409

SOCKET AND SEE TEST

GAIN ACCESS TO APPLIANCE TERMINAL STRIP

Next: p2413, !f2420

OVERHEAT THERMOSTAT

REMOVE ONE OF THE BROWN LEADS FROM THE OVERHEAT THERMOSTAT
ENSURE APPLIANCE IS COOL

Next: !p2418, !f2419

PUMP LIMPET TEST

Next: p1368, !f1389

PUMP LIMPET TEST

Next: p1588, !f1361

BURNER PRESSURE

{BLRSTATMAX}
ATTACH PRESSURE GAUGE TO BURNER PRESSURE TEST POINT

Next: p1352, f1353

THERMISTOR

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p1356, !f1357

GAS RATE

Next: !p1358, !f1359

EXTERNAL BYPASS

Next: !p1372, !f1373

THERMISTOR

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: !p1381, !f1382

RESISTANCE BURNER EARTH WIRE

Next: !p1445, !f1767

RESISTANCE GAS VALVE AND HARNESS TO EARTH

DISCONNECT THE GAS V

Next: p1474, f1479

RESISTANCE PUMP AND HARNESS TO EARTH

Next: !p1475, f1476

VOLTAGE TO PUMP

Next: p1347, !f1640

EXTERNAL BYPASS

Next: !p1589, !f1590

EXTERNAL CONTROLS

Next: p1976, !f1931

FUSE 2A

REMOVE THE FUSE FROM THE PCB

Next: p1993, f1978

THERMISTOR

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p1995, !f1994

AIR PRESSURE SWITCH N/O

REMOVE THE LEADS FROM THE AIR PRESSURE SWITCH (MAKE A NOTE OF THE CONNECTIONS)

Next: p1996, f1997

RESISTANCE BURNER EARTH WIRE

Next: p2002, !f2003

VENTURI

Next: !p2000, !f2001

FAN HARNESS

DISCONNECT THE BLUE AND PURPLE LEADS FROM THE FAN
DISCONNECT THE 5 PIN PLUG AT THE PCB

Next: p2004, !f2005

PCB FURTHER INVESTIGATION

THE INFORMATION PROV

Next: !p2006, !f2007

RESISTANCE THERMISTOR TO EARTH

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p2138, ?2139, ?2141

RESISTANCE GAS VALVE AND HARNESS TO EARTH

DISCONNECT THE GAS V

Next: p2143, f2144

RESISTANCE PUMP AND HARNESS TO EARTH

Next: p2423, f2148

RESISTANCE THERMISTOR TO EARTH

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p2168, ?2169, ?2171

RESISTANCE GAS VALVE AND HARNESS TO EARTH

DISCONNECT THE GAS V

Next: p2173, f2174

RESISTANCE PUMP AND HARNESS TO EARTH

Next: !p2421, f2178

RESISTANCE IGNITION LEAD

DISCONNECT THE IGNITION LEAD ASSEMBLY CONNECTOR FROM THE SPARK ELECTRODE AND FROM THE PCB

Next: p2190, !f2188

OBSERVATION GAS VALVE PASSING

REMOVE BURNER
CONNECT U-GAUGE TO BURNER INJECTOR

Next: !p2192, !f2191

VOLTAGE AT SWITCH LIVE (LS)

GAIN ACCESS TO THE MAIN CONNECTOR BLOCK AT THE FRONT OF THE CONTROL BOX

Next: !p2204, !f2205

EXTERNAL BYPASS

Next: p2303, !f2304

OBSERVATION PUMP RUNNING

Next: p2305, f2306

PUMP LIMPET TEST

Next: p2309, !f2310

OBSERVATION PUMP OVERRUN

Next: p2311, !f2312

OBSERVATION RUN BOILER TO TEMP

{BLRSTATMAX}
ALLOW BOILER TO RUN AND BURNER TO IGNITE

Next: !p2313, ?2315, ?2317

THERMISTOR

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: p2321, !f2322

THERMISTOR

DISCONNECT THE THERMISTOR CONNECTOR FROM THE PCB (BLACK LEADS)

Next: !p2319, !f2320

RESISTANCE OVERHEAT STAT AT TEMP

{BLRSTATMAX}

Next: !p2323, !f2324

SPARKING PRESENT

EXTERNAL CONTROLS CALLING FOR HEAT
REMOVE THE COMBUSTION CHAMBER COVER

Next: p2352, f2353

FAN RUNS AT HIGH SPEED

EXTERNAL CONTROLS CALLING FOR HEAT

Next: p2340, f2341

FAN RUNS AT HIGH SPEED

EXTERNAL CONTROLS CALLING FOR HEAT

Next: p2332, f2333

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
EXTERNAL CONTROLS CALLING

Next: p2336, !f2337

HEAT EXCHANGER FLUE WAYS

Next: !p2338, !f2339

IGNITION ELECTRODE AND GAP

DISCONNECT THE IGNITION LEAD TO THE ELECTRODE

Next: p2344, !f2345

HEAT EXCHANGER FLUE WAYS

Next: p2346, !f2347

IGNITION LEAD ASSEMBLY

DISCONNECT THE IGNITION LEAD ASSEMBLY CONNECTOR
FROM THE PCB AND ELECTRODE

Next: p2348, !f2349

FLUE

Next: !p2350, !f2351

PRESSURE BURNER AND SOFT LIGHT

{BLRSTATMAX}
ATTACH PRESSURE GAUGE TO BURNER PRESSURE TEST POINT

Next: p2368, ?2370, ?2372

OBSERVATION SPARKING PRESENT APS MADE

Next: p2356, f2357

AIR PRESSURE SWITCH TUBES

Next: p2362, !f2363

RESISTANCE IGNITION LEAD

DISCONNECT THE IGNITION LEAD ASSEMBLY CONNECTOR
FROM THE PCB AND ELECTRODE

Next: !p2360, !f2361

VENTURI

Next: p2364, !f2365

FLUE

Next: !p2366, !f2367

BURNER INJECTOR

Next: !p2410, !f2411

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
EXTERNAL CONTROLS CALLING

Next: p2394, !f2395

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
EXTERNAL CONTROLS CALLING

Next: p2374, !f2375

GAS VALVE VOLTAGE

EXTERNAL CONTROLS CA

Next: p2376, f2377

RESISTANCE GAS VALVE AND HARNESS TO EARTH

DISCONNECT THE GAS V

Next: p2386, f2387

RESISTANCE GAS VALVE AND HARNESS TO EARTH

DISCONNECT THE GAS V

Next: !p2382, f2383

OBSERVATION CAN SOFT LIGHT PRESSURE BE ADJUSTED

{BLRSTATMAX}
ATTACH PRESSURE GAUGE TO BURNER PRESSURE TEST POINT

Next: p2390, !f2391

SOFT LIGHT PRESSURE CORRECTLY ADJUSTED

THE SOFT LIGHT PRESS

Next: !p2392, !f2393

GAS VALVE VOLTAGE

EXTERNAL CONTROLS CA

Next: p2396, f2397

RESISTANCE GAS VALVE AND HARNESS TO EARTH

DISCONNECT THE GAS V

Next: !p2406, f2407

RESISTANCE GAS VALVE AND HARNESS TO EARTH

DISCONNECT THE GAS V

Next: !p2402, f2403

INSPECTION OVERHEAT THERMOSTAT

Next: p2414, !f2415

RESISTANCE OVERHEAT THERMOSTAT AND HARNESS

REMOVE THE OVERHEAT CONNECTOR FROM THE PCB
THIS IS THE CONNECTOR WHICH HAS THE 2 BROWN WIRES

Next: !p2416, f2417

OBSERVATION REMOVE PERMANENT MAINS SUPPLY TO APPLIANCE

REMOVE THE MAINS SUP

Next: !p2424, !f2425

System Information

Total Tests: 279

Sequence Logic: Decoded from encrypted .seq file

Navigation: Dynamic based on pass/fail results

Source: 4731307 GW SWIFTFLOW 100 SIT Control