XSol Diagnostic System

BAXI GENESIS 80

G.C. NUMBER 47 077 0

Next: &19, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

CH BURNER RE-IGNITE DELAY

HEATING TEMPERATURE CONTROL TO MAXIMUM

Next: &nff, !f151

LOCKOUT RESET

Next: &1, !f149

PUMP OVERRUN

HEATING TEMPERATURE CONTROL TO MAXIMUM

Next: &2, !f157

WATER PRESSURE RISE

HEATING TEMPERATURE CONTROL TO MAXIMUM

Next: &3, !f148

CH BURNER MODULATION

HEATING TEMPERATURE CONTROL TO MAXIMUM

Next: &4, f145

CENTRAL HEATING OPERATION

HEATING TEMPERATURE CONTROL TO MAXIMUM

Next: &5, ?131, ?133, ?135

DHW BURNER MODULATION

{ISOLATEMAINSPOWER}<

Next: &206, f124

HOT WATER OPERATION

SELECTOR SWITCH IN DHW POSITION

Next: &7, ?108, ?110, ?112

DHW BURNER HIGH FLAME

{ISOLATEMAINSPOWER}<

Next: &8, f90

DHW BURNER ESTABLISHED

SELECTOR SWITCH IN DHW POSITION

Next: &10, f87

DHW BURNER IGNITES

SELECTOR SWITCH IN DHW POSITION

Next: &11, f76

DHW SPARKING

SELECTOR SWITCH IN DHW POSITION

Next: &12, f323

DHW PUMP RUNS

SELECTOR SWITCH IN DHW POSITION

Next: &221, f36

DHW FLOW RATE

SELECTOR SWITCH IN DHW POSITION

Next: &15, f31

STANDBY LED

Next: &16, f22

SYSTEM CHECKS

{ISOLATEMAINSPOWER}

Next: &17, !f21

BAXI GENESIS 80

{ISOLATEMAINSPOWER}<

Next: &18, !f20

CH BURNER IGNITES

HEATING TEMPERATURE CONTROL TO MAXIMUM
ENSURE HEATING SYSTEM COOL

Next: &6, ?207, ?209

DHW FAN RUNS

SELECTOR SWITCH IN DHW POSITION

Next: &13, f222

DHW QUIET OPERATION, WARM RADIATORS

PCB - CONTROL

Next: End

DHW BURNER MODULATION

THERMISTOR - TEMPERATURE SENSOR

Next: End

DHW BURNER MODULATION

KIT - SOLENOID VALVE

Next: End

CONTROL BOARD (SWITCHES)

PCB - CONTROL (SWITCHES)

Next: End

CH QUIET OPERATION

PCB - CONTROL

Next: End

CH QUIET OPERATION

DIVERTER VALVE ASSEMBLY - 3 WAY

Next: End

CH QUIET OPERATION

FILTER - HEATING

Next: End

CH BURNER MODULATION

THERMISTOR - TEMPERATURE SENSOR

Next: End

WATER PRESSURE RISE

EXPANSION VESSEL

Next: End

LOCKOUT RESET

PCB - CONTROL

Next: End

CH BURNER RE-IGNITE DELAY

PCB - CONTROL

Next: End

PUMP OVERRUN

PCB - CONTROL

Next: End

ELECTRICAL CHECKS

Next: End

SYSTEM CHECKS

Next: End

CH BURNER IGNITES

HEAD ASSEMBLY - FLOW SWITCH

Next: End

DHW FAN RUNS

TUBE 1.3M X 9MM X 3MM SILICONE

Next: End

DHW FAN RUNS

VENTURI

Next: End

STANDBY LED

Next: End

DHW FAN RUNS

THERMISTOR - TEMPERATURE SENSOR

Next: End

DHW FAN RUNS

THERMISTOR - TEMPERATURE SENSOR

Next: End

STANDY LED

FUSE F1 - 2A

Next: End

STANDY LED

FUSE F2 - 1.25MA

Next: End

STANDBY LED

PCB - POWER

Next: End

CH BURNER IGNITES

FILTER - HEATING

Next: End

EXTERNAL CONTROLS/LINK (OUTPUT)

Next: End

DHW FLOW RATE

FLOW REGULATOR

Next: End

DHW SPARKING

KIT - PRESSURE SWITCH

Next: End

DHW SPARKING NO VOLTAGE TO APS

PCB - POWER

Next: End

DHW SPARKING

PCB - POWER

Next: End

DHW SPARKING

ELECTRODE ASSEMBLY - IGNITION

Next: End

DHW SPARKING

TUBE 1.3M X 9MM X 3MM SILICONE

Next: End

DHW FLOW RATE

FILTER - WATER

Next: End

DHW SPARKING

VENTURI

Next: End

DHW FAN RUN

HEAD ASSEMBLY - FLOW SWITCH

Next: End

DHW FAN RUNS

PCB - POWER

Next: End

DHW FAN RUNS

HEAD ASSEMBLY - FLOW SWITCH

Next: End

DHW SPARKING

HEAD ASSEMBLY - FLOW SWITCH

Next: End

DHW WARM RADIATORS - RESISTANCE

DIVERTER VALVE ASSEMBLY - 3 WAY

Next: End

CH QUIET OPERATION - RESISTANCE

DIVERTER VALVE ASSEMBLY - 3 WAY

Next: End

DHW PUMP RUNS

PCB - POWER

Next: End

DHW PUMP RUNS

HEAD ASSEMBLY - FLOW SWITCH

Next: End

DHW BURNER IGNITES

THERMOSTAT 100 DEG C - SAFETY

Next: End

DHW BURNER IGNITES

PCB - POWER

Next: End

DHW BURNER IGNITES

KIT - SOLENOID VALVE

Next: End

DHW BURNER ESTABLISHED

ELECTRODE - IONISATION

Next: End

DHW BURNER HIGH FLAME

THERMISTOR - TEMPERATURE SENSOR

Next: End

DHW BURNER HIGH FLAME

KIT - SOLENOID VALVE

Next: End

DHW QUIET OPERATION, COLD RADIATORS

HEAT EXCHANGER - WATER

Next: End

DHW QUIET OPERATION, WARM RADIATORS

DIVERTER VALVE ASSEMBLY - 3 WAY

Next: End

CENTRAL HEATING OPERATION

HEAT EXCHANGER - WATER

Next: End

CH NOISY OPERATION, DHW NOISY OPERATION

HEAT EXCHANGER - PRIMARY

Next: End

CH NOISY OPERATION, DHW NOISY OPERATION

HEAT EXCHANGER - WATER

Next: End

CH QUIET OPERATION

HEAT EXCHANGER - WATER

Next: End

DHW BURNER MODULATION

PCB - CONTROL

Next: End

DHW BURNER MODULATION

GAS SECTION ASSEMBLY

Next: End

CH NOISY OPERATION, DHW NOISY OPERATION

PCB - CONTROL

Next: End

CH NOISY OPERATION, DHW QUIET OPERATION

PCB - CONTROL

Next: End

CH QUIET OPERATION

Next: End

CH BURNER MODULATION

PCB - CONTROL

Next: End

CH BURNER IGNITES

GAS SECTION ASSEMBLY

Next: End

DHW FAN RUNS

KIT - PRESSURE SWITCH

Next: End

DHW FAN RUNS

FAN ASSEMBLY

Next: End

ROOM THERMOSTAT/EXTERNAL CONTROLS RESISTANCE

Next: End

CH BURNER IGNITES

PUMP 240V 2 - SPEED

Next: End

STANDBY LED

PCB - CONTROL

Next: End

CH BURNER IGNITES

Next: End

DHW SPARKING

PCB - CONTROL

Next: End

DHW SPARKING

SPARK GENERATOR

Next: End

DHW SPARKING

FAN ASSEMBLY

Next: End

DHW FAN RUNS

PCB - CONTROL (RESET SWITCH)

Next: End

DHW FLOW RATE

HEAT EXCHANGER - WATER

Next: End

DHW BURNER ESTABLISHED

PCB - POWER

Next: End

DHW PUMP RUNS

PUMP 240V 2 - SPEED

Next: End

DHW PUMP RUNS

PCB - CONTROL

Next: End

DHW BURNER IGNITES

PCB - CONTROL

Next: End

DHW BURNER IGNITES

MANIFOLD C/W 16 INJECTORS

Next: End

DHW BURNER IGNITES

GAS SECTION ASSEMBLY

Next: End

DHW BURNER HIGH FLAME

PCB - CONTROL

Next: End

DHW BURNER HIGH FLAME

GAS SECTION ASSEMBLY

Next: End

DHW NOISY OPERATION

CHARACTERISTIC TEST FROM HOT WATER OPERATION

Next: p109

DHW COOL, RADS COOL

CHARACTERISTIC TEST FROM HOT WATER OPERATION

Next: !p111

DHW COOL, RADIATORS START TO HEAT

CHARACTERISTIC TEST FROM HOT WATER OPERATION

Next: p357

CH NOISY OPERATION, DHW NOISY OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p119

CH NOISY OPERATION, DHW QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p121

CH QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p123

CH NOISY OPERATION, DHW NOISY OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: !p132

CH NOISY OPERATION, DHW QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: p134

CH QUIET OPERATION

CHARACTERISTIC TEST FROM CENTRAL HEATING OPERATION

Next: p362

DOES NOT IGNITE

CHARACTERISTIC TEST FROM CH BURNER IGNITES

Next: p208

IGNITES TO HIGH FLAME

CHARACTERISTIC TEST FROM CH BURNER IGNITES

Next: p210

05/07/2017 09:58:50 1705_1_50_1 08/08/2017 15:20:22

05/07/2017 11:34:22

Next: End

DHW GAS VALVE MODULATION VOLTAGE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN DHW POSITION

Next: p126, f125

DHW SENSOR RESISTANCE

{ISOLATEMAINSPOWER}

Next: !p128, !f127

CH SENSOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE THE PURPLE WIRES FROM THE CH SENSOR

Next: !p158, !f146

VOLTAGE THERMOSTAT/EXTERNAL CONTROLS INPUT

SELECTOR SWITCH IN CH POSITION

Next: !p304, !f305

MAINS POWER SUPPLY

{ISOLATEMAINSPOWER}
HINGE DOWN THE ELECTRICAL BOX AND REMOVE SMALL PCB COVER

Next: p24, !f23

AIR PRESSURE SWITCH (NO AIR) RESISTANCE

{ISOLATEMAINSPOWER}<

Next: p223, f224

AIR PRESSURE SWITCH TUBES

{ISOLATEMAINSPOWER}

Next: p225, !f226

CH SENSOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE THE PURPLE WIRES FROM THE CH SENSOR

Next: p231, !f232

INSPECTION CH FILTER

{ISOLATEMAINSPOWER}<

Next: !p299, !f300

DHW FLOW RESTRICTOR

{ISOLATEMAINSPOWER}
MAINS WATER OFF
BOILER DISCHARGED AND DRAINED

Next: p33, !f32

PUMP FLOW SWITCH RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR ON PUMP FLOW SWITCH (RED WIRES)

Next: p324, !f355

VOLTAGE AIR PRESSURE SWITCH COMMON

{ISOLATEMAINSPOWER}
TURN SELECTOR SWITCH TO DHW POSITION

Next: p329, !f330

POWER BOARD (SPARKING)

{ISOLATEMAINSPOWER}<

Next: !p333, !f334

PUMP VOLTAGE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN DHW POSITION
REMOVE THE PUMP COVER

Next: !p38, f37

POWER BOARD (PUMP)

{ISOLATEMAINSPOWER}<

Next: p40, !f39

DHW GAS VALVE IGNITION VOLTAGE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM

Next: p78, f77

OVERHEAT THERMOSTAT

{ISOLATEMAINSPOWER}
ENSURE THE BOILER IS NOT IN AN OVERHEATED STATE

Next: p80, !f79

GAS VALVE SOLENOID RESISTANCE (IGNITION)

{ISOLATEMAINSPOWER}
REMOVE THE ELECTRICAL PLUGS TO THE BLUE AND GREY SOLENOIDS

Next: !p86, !f85

FLAME SENSOR ELECTRODE ASSEMBLY

{ISOLATEMAINSPOWER}

Next: !p356, !f88

DHW GAS VALVE (HIGH FLAME) FULL VOLTAGE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN DHW POSITION
DHW TEMPERATURE CONTROL TO MAXIMUM

Next: p92, f91

DHW SENSOR RESISTANCE

{ISOLATEMAINSPOWER}

Next: !p94, !f93

CENTRAL HEATING OPERATION

HEATING TEMPERATURE CONTROL TO MAXIMUM

Next: !p117, ?118, ?120, ?122

DIVERTER VALVE VOLTAGE (DHW)

{ISOLATEMAINSPOWER}<

Next: !p115, !f114

GAS VALVE SOLENOID RESISTANCE (LOW FLAME)

{ISOLATEMAINSPOWER}
REMOVE THE ELECTRICAL PLUG TO THE BLACK SOLENOID

Next: !p130, !f129

CONTROL BOARD SWITCHES

{ISOLATEMAINSPOWER}
HINGE DOWN THE ELECTRICAL BOX AND REMOVE SMALL PCB COVER

Next: !p138, !f137

DIVERTER VALVE VOLTAGE (CH)

{ISOLATEMAINSPOWER}<

Next: p140, !f139

DIVERTER VALVE OPERATION (CH)

Next: p142, !f141

CH FILTER

{ISOLATEMAINSPOWER}<

Next: !p144, !f143

EXTERNAL CONTROLS/LINK (OUTPUT)

{ISOLATEMAINSPOWER}<

Next: p296, f214

DHW FLOW SWITCH OPERATION

{ISOLATEMAINSPOWER}
MAINS WATER OFF
BOILER DISCHARGED AND DRAINED

Next: !p211, !f212

FAN VOLTAGE

{ISOLATEMAINSPOWER}

Next: !p229, f230

VENTURI

{ISOLATEMAINSPOWER}

Next: !p227, !f228

DHW SENSOR RESISTANCE

{ISOLATEMAINSPOWER}

Next: p348, !f234

FUSE F1

{ISOLATEMAINSPOWER}
HINGE DOWN THE ELECTRICAL BOX AND REMOVE SMALL PCB COVER

Next: p26, !f25

FUSE F2

{ISOLATEMAINSPOWER}
HINGE DOWN THE ELECTRICAL BOX AND REMOVE SMALL PCB COVER

Next: p28, !f27

POWER BOARD (NEON)

{ISOLATEMAINSPOWER}<

Next: !p30, !f29

PUMP FLOW SWITCH

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR FROM PUMP FLOW SWITCH (RED WIRES)

Next: !p297, f298

RESISTANCE AIR PRESSURE SWITCH WITH KIT

{ISOLATEMAINSPOWER}<

Next: p325, !f326

OBSERVATION SPARKING WITH APS KIT

{ISOLATEMAINSPOWER}<

Next: p327, f328

AIR PRESSURE SWITCH TUBES

{ISOLATEMAINSPOWER}

Next: p337, !f338

SPARK GENERATOR INPUT VOLTAGE

{ISOLATEMAINSPOWER}<

Next: p331, f332

DHW FILTER

{ISOLATEMAINSPOWER}
MAINS WATER OFF
BOILER DISCHARGED AND DRAINED

Next: !p35, !f34

SPARK ELECTRODE ASSEMBLY

{ISOLATEMAINSPOWER}

Next: !p335, !f336

VENTURI

{ISOLATEMAINSPOWER}

Next: !p339, !f340

DHW FLOW SWITCH

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR ON DHW FLOW SWITCH

Next: p344, !f345

POWER BOARD (FAN)

{ISOLATEMAINSPOWER}<

Next: !p346, !f347

PUMP FLOW SWITCH RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR ON PUMP FLOW SWITCH (RED WIRES)

Next: p343, !f354

RESISTANCE DIVERTER VALVE

{ISOLATEMAINSPOWER}
DISCONNECT 20 PIN PLUG FROM THE CONTROL PCB

Next: p113, !f361

RESISTANCE DIVERTER VALVE

{ISOLATEMAINSPOWER}
DISCONNECT 20 PIN PLUG FROM THE CONTROL PCB

Next: p136, !f370

DHW FLOW SWITCH RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR ON DHW FLOW SWITCH

Next: !p42, !f41

DHW BURNER GAS PRESSURE (IGNITION)

{ISOLATEMAINSPOWER}<

Next: !p84, f83

OVERHEAT THERMOSTAT VOLTAGE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH IN DHW POSITION

Next: !p82, !f81

GAS VALVE SOLENOID RESISTANCE (HIGH FLAME)

{ISOLATEMAINSPOWER}
REMOVE THE ELECTRICAL PLUG FROM THE BLACK MODULATION SOLENOID

Next: !p96, !f95

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