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:

BIASI RIVA ADVANCE M110.24SM/C

WARNING - IMPORTA

Next: &5, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

BURNER IGNITES AND ESTABLISHES

SET DHW TEMPERATURE SELECTOR TO MAX

Next: &6, ?84, ?86

DHW FAN RUNS

Next: &1, f48

PUMP RUNS

Next: &2, f24

BIASI RIVA ADVANCE M110.24SM/C

47 970 29
1.

Next: &8, !f12

CH DEMAND

Next: &7, f129

DHW OPERATION

Next: &9, ?134, ?136, ?138, ?140

DHW FLOW RATE

Next: &3, f14

CH OPERATION

Next: &11, ?142, ?144, ?146

OVERRUN DHW

Next: &nff, !f149

EXCESSIVE SYSTEM PRESSURE RISE

Next: &10, !f148

FAULT 2

GAS INLET PRESSURE

Next: End

FAULT 1

ELECTRODE - DETECTION

Next: End

FAULT 1

ELECTRICAL SAFETY CHECKS

Next: End

FAULT 2

CONDENSATE TRAP

Next: End

FAULT 2

HEAT EXCHANGER - CONDENSING

Next: End

FAULT 2

FLUE

Next: End

FAULT 6 SENSE AC

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 1

EXPANSION VESSEL

Next: End

FAULT 10 OVERRUN FUNCTION

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 1

SERVICE KIT - DIVERTER VALVE

Next: End

FAULT 1

TAP 1/2IN - DHW

Next: End

FAULT 1 RESET

GAS INLET PRESSURE (HIGH)

Next: End

FAULT 2

PUMP

Next: End

FAULT 3A FAN CONTROL

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 4

TEMPERATURE PROBE - DHW

Next: End

FAULT 4

TEMPERATURE PROBE - DHW

Next: End

FAULT 3C FAN CONTROL

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 5

FAN

Next: End

FAULT 6

FAN

Next: End

FAULT 4

GAS INLET PRESSURE

Next: End

FAULT 3

TEMPERATURE PROBE - DHW

Next: End

FAULT 3

TEMPERATURE PROBE - DHW

Next: End

FAULT 2

PROBE - FLUE TEMPERATURE

Next: End

FAULT 3

VALVE - GAS

Next: End

FAULT 4

PUMP

Next: End

FAULT 1

GAS INLET PRESSURE

Next: End

FAULT 5 GV VOLTAGE

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 1

PUMP - DIVERTER VALVE CABLE

Next: End

FAULT 2

VALVE - GAS

Next: End

FAULT 3

GAS INLET PRESSURE

Next: End

FAULT 3

PROBE - FLUE TEMPERATURE

Next: End

FAULT 2

TEMPERATURE PROBE - DHW

Next: End

FAULT 2

TEMPERATURE PROBE - DHW

Next: End

FAULT 3G FAN CONTROL

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT

KIT - MICROSWITCH

Next: End

FAULT 1

THERMOSTAT 105DEG C - OVERHEAT

Next: End

FAULT 1

TEMPERATURE PROBE - DHW

Next: End

FAULT 1

TEMPERATURE PROBE - DHW

Next: End

FAULT 1

PROBE - FLUE TEMPERATURE

Next: End

FAULT 1

CABLE - FAN

Next: End

FAULT 7

FAN

Next: End

FAULT 11B LOCKOUT RESET PCB

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 4 IGNITON OUTPUT

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 1

IGNITION ELECTRODES

Next: End

FAULT 1

CONDENSATE TRAP

Next: End

FAULT 1

HEAT EXCHANGER - CONDENSING

Next: End

FAULT 1

FLUE

Next: End

FAULT 1 MISSING DAMAGED

CABLE - EARTH - IGNITION ELECTRODE

Next: End

FAULT 8A CH DEMAND VOLTAGE

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 1

FUSE F1

Next: End

FAULT 8 CH DEMAND 1

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 9ADIVERTER VOLTS

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 2

SERVICE KIT - DIVERTER VALVE

Next: End

FAULT 3

PUMP

Next: End

FAULT 9 DIVERTER VOLTS

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 1

FUSE F1

Next: End

FAULT 3

SERVICE KIT - DIVERTER VALVE

Next: End

FAULT 1

Next: End

FAULT 2

Next: End

FAULT 1

KIT - BYPASS

Next: End

FAULT 2

KIT - BYPASS

Next: End

FAULT 1

FUSE F3

Next: End

FAULT 1

TRANSFORMER

Next: End

BURNER DOES NOT IGNITE

CABLE - FAN

Next: End

FAULT 2 FAN SPEED DOES NOT INCREASE

TEMPERATURE PROBE - DHW

Next: End

FAULT 2 FAN SPEED DOES NOT INCREASE

TEMPERATURE PROBE - DHW

Next: End

FAULT 3 FAN SPEED DOES NOT INCREASE

PROBE - FLUE TEMPERATURE

Next: End

FAULT 1

DIAPHRAGM - PRESSURE SWITCH CH

Next: End

FAULT 1

KIT - FLOW GROUP

Next: End

FAULT 1

Next: End

FAULT 2

BURNER

Next: End

FAULT 7 SENSE DC

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 1

KIT - FLOW GROUP

Next: End

FAULT 1 NOISE

HEAT EXCHANGER - CONDENSING (FLUEWAYS)

Next: End

FAULT 1

DHW INLET FILTER

Next: End

FAULT 1

VALVE - GAS

Next: End

FAULT 2

HEAT EXCHANGER - DHW

Next: End

FAULT 1

FLOW LIMITER 10LTRS/MIN

Next: End

FAULT 1

FLOAT FLOWSWITCH

Next: End

FAULT 2A TEMP CONTROL

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 3F FAN CONTROL

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 4

HEAT EXCHANGER - DHW

Next: End

FAULT 1

PUMP

Next: End

FAULT 1

VALVE - GAS

Next: End

FAULT 3

HEAT EXCHANGER - DHW

Next: End

FAULT 1

FAN

Next: End

FAULT 3 FAN OPERATION

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 2

DHW INLET FILTER

Next: End

FAULT 2

FLOW LIMITER 10LTRS/MIN

Next: End

FAULT 2

FLOAT FLOWSWITCH

Next: End

FAULT 1

Next: End

FAULT 1

FLOW SWITCH - DHW

Next: End

FAULT 1

LOCK OUT RESET

Next: End

FAULT 1

GENERATOR - SPARK

Next: End

FAULT 1

BURNER

Next: End

FAULT 1

Next: End

FAULT 1

SWITCH - TIMER - FLASH MONOTRON 200

Next: End

FAULT 2

MOTOR - 3 WAY VALVE

Next: End

FAULT 1

MOTOR - 3 WAY VALVE

Next: End

FAULT 2

KIT - FLOW GROUP

Next: End

FAULT 1

Next: End

FAULT 3

Next: End

FAULT 1 TX VOLTS

ELECTRONIC CONTROL - IGNITION

Next: End

FAULT 2

Next: End

FAULT 4

Next: End

FAULT 2 DHW DEMAND

ELECTRONIC CONTROL - IGNITION

Next: End

BURNER DOES NOT IGNITE

FAN

Next: End

FAULT 2 FAN SPEED DOES NOT INCREASE

ELECTRONIC CONTROL - IGNITION

Next: End

PRIMARY FLOW SWITCH BODY

KIT - FLOW GROUP

Next: End

FAULT 1

HEAT EXCHANGER - DHW

Next: End

RADS HOT DHW COOL

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p135

DHW NOISY KETTLING

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p137

RADS COLD DHW COOL

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p307

DHW TOO HOT

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p221

BOILER TO TEMP RADS COOL

CHARACTERISTIC TEST FROM CH OPERATION

Next: p391

BOILER COOL RADS COOL

CHARACTERISTIC TEST FROM CH OPERATION

Next: p238

BOILER NOISY DHW OK

CHARACTERISTIC TEST FROM CH OPERATION

Next: p259

DHW FLOW LIMITER BLOCKED OR DAMAGED

CHARACTERISTIC TEST FROM FLOW SWITCH ASSEMBLY

Next: !p19

FLOAT DAMAGED

CHARACTERISTIC TEST FROM FLOW SWITCH ASSEMBLY

Next: !p21

DHW FLOW LIMITER BLOCKED OR DAMAGED

CHARACTERISTIC TEST FROM FLOW SWITCH ASSEMBLY

Next: !p354

FLOAT DAMAGED

CHARACTERISTIC TEST FROM FLOW SWITCH ASSEMBLY

Next: !p356

FLOW SWITCH ASSEMBLY CLEAR

CHARACTERISTIC TEST FROM FLOW SWITCH ASSEMBLY

Next: !p360

BURNER IGNITES BUT DOES NOT ESTABLISH

CHARACTERISTIC TEST FROM BURNER IGNITES AND ESTABLISHES

Next: p85

BURNER DOES NOT IGNITE

CHARACTERISTIC TEST FROM BURNER IGNITES AND ESTABLISHES

Next: p426

FLOW SWITCH ASSEMBLY CLEAR

CHARACTERISTIC TEST FROM FLOW SWITCH ASSEMBLY

Next: !p93

29/08/2018 08:48:40 1807_1_50_1 20/09/2018 11:48:41

29/08/2018 08:54:12

Next: End

SENSE ELECTRODE INSPECTION

REMOVE FLAME SENSE ELECTRODE

Next: p120, !f119

EXTERNAL CONTROLS OUTPUT

INTEGRAL PROGRAMMER ON
GAIN ACCESS TO APPLIANCE TERMINAL STRIP

Next: p382, f379

DHW ISOLATING VALVE

Next: p15, !f16

PUMP RUNS (LIMPET TEST)

Next: !p167, !f168

FAN PRESSURE

FUNCTION SELECTOR IN

Next: !p172, !f173

PUMP VOLTAGE

{GAINPCBACS}

Next: p25, f26

FAN VOLTAGE

{GAINPCBACS}

Next: p241, !f242

FLOW SWITCH VOLTS

{GAINPCBACS}

Next: p29, f31

GAS VALVE VOLTAGE

{GAINPCBACS}
HOT TAP ON
FUNCTION SELECTOR IN STANDBY POSITION

Next: !p274, !f275

TX VOLTS IN

Next: p32, f33

MAINS POWER SUPPLY

REMOVE CONTROL BOX COVER

Next: p34, f35

FAN HARNESS RESISTANCE (CONTROL)

REMOVE BOTH ENDS OF THE FAN HARNESS, FROM THE PLUG AT THE FAN END AND FROM X22 ON THE PCB

Next: !p345, !f346

MAINS POWER SUPPLY FUSE (FUSED SPUR)

REMOVE THE FUSE FROM THE FUSED SPUR

Next: !p36, !f66

FLOW BLOCKAGE OR DAMAGE

DHW DISCHARGED AND D

Next: !p352, ?353, ?355, ?357

SPARK GENERATOR INPUT

{GAINPCBACS}
FUNCTION SELECTOR IN STANDBY POSITION

Next: !p368, !f369

EXTERNAL CONTROLS INPUT

INTEGRAL PROGRAMMER ON

Next: !p380, !f381

DIVERTER VALVE VOLTAGE

{GAINPCBACS}
FUNCTION SELECTOR IN STANDBY POSITION
ALL CH CONTROLS CALLING

Next: !p394, !f395

DIVERTER VALVE OPERATION

FUNCTION SELECTOR IN STANDBY POSITION
ALL CH CONTROLS CALLING

Next: p410, f407

DIVERTER VALVE VOLTAGE

{GAINPCBACS}
FUNCTION SELECTOR IN STANDBY POSITION
ALL CH CONTROLS CALLING

Next: !p408, !f409

INTEGRAL BYPASS INSPECTION

APPLIANCE DRAINED AND DISCHARGED
CH FLOW AND RETURN VALVES OFF
WATER OFF

Next: !p419, !f420

INTEGRAL BYPASS INSPECTION

APPLIANCE DRAINED AND DISCHARGED
CH FLOW AND RETURN VALVES OFF
WATER OFF

Next: !p423, !f424

FAN HARNESS RESISTANCE (CONTROL)

REMOVE BOTH ENDS OF THE FAN HARNESS, FROM THE PLUG AT THE FAN END AND FROM X22 ON THE PCB

Next: !p449, !f450

FLOW SENSOR RESISTANCE

REMOVE THE LEAD FROM THE FLOW SENSOR

Next: p452, !f453

PRIMARY CIRCUIT FLOW SWITCH OPERATION

DHW TAP ON

Next: p69, f50

PRIMARY CIRCUIT FLOW SWITCH DIAPHRAGM INSPECTION

WATER OFF
APPLIANCE DISCHARGED AND DRAINED

Next: p53, !f54

PCB FLAME SENSE VOLTAGE AC

{GAINPCBACS}
REMOVE THE FLAME SENSE LEAD FROM CONNECTION MARKED
X15 ON THE PCB

Next: p114, !f127

FLAME SENSE VOLTAGE DC

FUNCTION SELECTOR IN

Next: !p128, f117

CONDENSATE PIPE

Next: p121, !f122

PRIMARY FLUE WAYS

REMOVE BURNER ASSEMBLY

Next: p123, !f124

FLUE CHECK

Next: !p125, !f126

DIVERTER VALVE MOTOR POSITION

REMOVE DIVERTER VALVE MOTOR

Next: p150, f406

CH OPERATION

Next: p156, f157

FLOW BLOCKAGE OR DAMAGE

DHW DISCHARGED AND D

Next: !p17, ?18, ?20, ?92

DIVERTER VALVE SPINDLE

REMOVE THE DIVERTER VALVE ACTUATOR FROM THE DIVERTER VALVE BODY

Next: !p152, !f153

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
SET DHW TEMPERATURE SELECTOR TO MAX
GAS ON

Next: p158, !f164

GAS RATE

Next: !p176, f166

FLOW SENSOR RESISTANCE

REMOVE THE LEAD FROM THE FLOW SENSOR

Next: p222, !f223

THERMISTOR DHW RESISTANCE

REMOVE THE LEAD FROM THE DHW SENSOR

Next: !p230, !f225

FAN SPEED

FUNCTION SELECTOR IN STANDBY POSITION
HOT TAP ON

Next: p239, f240

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
SET DHW TEMPERATURE SELECTOR TO MAX
GAS ON

Next: p247, !f248

FAN RESISTANCE

DISCONNECT FAN CONNECTOR (X22) FROM THE PCB

Next: p243, !f244

FAN MECHANICAL CHECK

REMOVE FAN

Next: !p245, !f246

FLOW SENSOR RESISTANCE

REMOVE THE LEAD FROM THE FLOW SENSOR

Next: p249, !f250

THERMISTOR DHW RESISTANCE

REMOVE THE LEAD FROM THE DHW SENSOR

Next: p251, !f252

HARNESS RESISTANCE - PUMP

DISCONNECT PUMP LEAD FROM PUMP
DISCONNECT CONNECTOR MARKED X12 FROM THE PCB

Next: !p27, !f28

FLUE SENSOR RESISTANCE

DISCONNECT THE BROWN AND BLUE LEADS AT THE INLINE CONNECTORS FROM THE FLUE TEMPERATURE THERMOSTAT

Next: p253, !f254

GAS RATE

Next: !p255, !f256

PUMP RUNS (LIMPET TEST)

Next: p260, !f261

EXTERNAL BYPASS

Next: p262, !f416

BYPASS INTEGRAL

FUNCTION SELECTOR IN CH POSITION
CH DEMAND

Next: !p421, f422

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
SET DHW TEMPERATURE SELECTOR TO MAX
GAS ON

Next: p272, !f271

FAN PRESSURE TEST

FUNCTION SELECTOR IN

Next: p364, f273

FLOW SWITCH OPERATION

{GAINPCBACS}

Next: p361, f351

FAN SPEED

FUNCTION SELECTOR IN STANDBY POSITION
HOT TAP ON

Next: p308, f451

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
SET DHW TEMPERATURE SELECTOR TO MAX
GAS ON

Next: p309, !f325

FLOW SENSOR RESISTANCE

REMOVE THE LEAD FROM THE FLOW SENSOR

Next: p311, !f329

THERMISTOR DHW RESISTANCE

REMOVE THE LEAD FROM THE DHW SENSOR

Next: p313, !f328

FLUE SENSOR RESISTANCE

DISCONNECT THE BROWN AND BLUE LEADS AT THE INLINE CONNECTORS FROM THE FLUE TEMPERATURE THERMOSTAT

Next: p315, !f327

GAS RATE

Next: !p326, !f324

TX VOLTS OUT

Next: !p44, !f45

PRIMARY CIRCUIT FLOW SWITCH MICROSWITCH OPERATION

DHW TAP ON

Next: p333, !f334

OVERHEAT THERMOSTAT RESISTANCE

DISCONNECT ONE OF THE GREY LEADS FROM THE OVERHEAT THERMOSTAT

Next: p335, !f336

FLOW SENSOR RESISTANCE

REMOVE THE LEAD FROM THE FLOW SENSOR

Next: p337, !f338

THERMISTOR DHW RESISTANCE

REMOVE THE LEAD FROM THE DHW SENSOR

Next: p339, !f340

FLUE SENSOR RESISTANCE

DISCONNECT THE BROWN AND BLUE LEADS AT THE INLINE CONNECTORS FROM THE FLUE TEMPERATURE THERMOSTAT

Next: p341, !f342

FUSE F1

REMOVE THE COVER TO THE PCB WHICH IS ACCESSIBLE FROM THE LOWERED CONTROL PANEL

Next: p38, !f39

FAN RESISTANCE

DISCONNECT FAN CONNECTOR (X22) FROM THE PCB

Next: p347, f344

FAN MECHANICAL CHECK

REMOVE FAN

Next: !p348, !f349

LOCKOUT RESET

Next: !p362, !f363

SPARK GENERATOR EARTH LEAD

REMOVE THE SPARK LEAD FROM THE SPARK GENERATOR
FUNCTION SELECTOR IN STANDBY POSITION

Next: p365, !f378

SPARK GENERATOR OUTPUT

REMOVE THE SPARK LEAD FROM THE SPARK GENERATOR
FUNCTION SELECTOR IN STANDBY POSITION

Next: p366, f367

SENSE ELECTRODE INSPECTION

REMOVE SPARK ELECTRODE

Next: p370, !f371

CONDENSATE PIPE

Next: p372, !f373

PRIMARY FLUE WAYS

REMOVE BURNER ASSEMBLY

Next: p374, !f375

FLUE CHECK

Next: !p376, !f377

FUSE F2

REMOVE THE COVER TO THE PCB WHICH IS ACCESSIBLE FROM THE LOWERED CONTROL PANEL

Next: p40, !f41

INTEGRAL PROGRAMMER

DISCONNECT CONNECTOR MARKED X2 FROM THE PCB

Next: !p385, !f390

DIVERTER VALVE MOTOR POSITION CH

FUNCTION SELECTOR IN CH POSITION
ALL HEATING CONTROLS CALLING

Next: p392, f393

DIVERTER VALVE SPINDLE

REMOVE THE DIVERTER VALVE ACTUATOR FROM THE DIVERTER VALVE BODY

Next: p399, !f397

PUMP RUNS (LIMPET TEST)

Next: p400, !f401

FUSE F3

REMOVE THE COVER TO THE PCB WHICH IS ACCESSIBLE FROM THE LOWERED CONTROL PANEL

Next: !p42, !f43

EXTERNAL BYPASS

Next: p402, !f414

BYPASS INTEGRAL

FUNCTION SELECTOR IN CH POSITION
CH DEMAND

Next: !p418, f417

DIVERTER VALVE SPINDLE

REMOVE THE DIVERTER VALVE ACTUATOR FROM THE DIVERTER VALVE BODY

Next: !p411, !f412

OBSERVATION FAN FAULT CODE

Next: p270, f448

THERMISTOR DHW RESISTANCE

REMOVE THE LEAD FROM THE DHW SENSOR

Next: p454, !f455

FLUE SENSOR RESISTANCE

DISCONNECT THE BROWN AND BLUE LEADS AT THE INLINE CONNECTORS FROM THE FLUE TEMPERATURE THERMOSTAT

Next: !p460, !f457

PRIMARY CIRCUIT FLOW SWITCH TOP COVER AND SPINDLE INSPECTION

APPLIANCE DRAINED AND DISCHARGED
WATER OFF

Next: !p55, !f56

FAN VOLTAGE

{GAINPCBACS}

Next: p332, !f331

GAS INLET PRESSURE

ATTACH PRESSURE GAUGE TO INLET PRESSURE TEST POINT
SET DHW TEMPERATURE SELECTOR TO MAX
GAS ON

Next: p112, !f113

System Information

Total Tests: 228

Sequence Logic: Decoded from encrypted .seq file

Navigation: Dynamic based on pass/fail results

Source: 4731307 GW SWIFTFLOW 100 SIT Control