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:

WORCESTER 350

G.C. NUMBER 47 311 1

Next: &18, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

ANTI CYCLE TIME

SELECTOR SWITCH TO HEATING & WATER

Next: &nff, !f168

FAN OVERRUN

SELECTOR SWITCH TO W

Next: &1, !f167

EXPANSION VESSEL

SELECTOR SWITCH TO HEATING & WATER

Next: &2, !f166

CH MODULATION

{ISOLATEMAINSPOWER}<

Next: &3, f163

CH OPERATION

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO HEATING & WATER
ATTACH U-GAUGE TO GAS VALVE

Next: &4, ?147, ?149, ?151

DHW MODULATION

{ISOLATEMAINSPOWER}<

Next: &5, f140

DHW OPERATION

{ISOLATEMAINSPOWER}<

Next: &6, ?116, ?118, ?120, ?177

CH FAN RUNS

SELECTOR SWITCH TO HEATING & WATER
ENSURE BOILER IS COOL

Next: &7, f109

DHW BURNER HIGH PRESSURE

{ISOLATEMAINSPOWER}<

Next: &8, f263

DHW BURNER ESTABLISHED

SELECTOR SWITCH TO WATER

Next: &9, f100

DHW BURNER IGNITION

SELECTOR SWITCH TO WATER

Next: &10, f330

DHW SPARKING

SELECTOR SWITCH TO WATER

Next: &11, f80

DHW FAN RUNS

SELECTOR SWITCH TO WATER
POSITION PROBES ONTO ORANGE AND BROWN WIRES ON FAN

Next: &12, ?40, ?42, ?44, ?46

FLOW SWITCH OPERATION

{ISOLATEMAINSPOWER}<

Next: &13, f37

DHW FLOW RATE

Next: &14, f30

STANDBY NEON

SELECTOR SWITCH TO WATER

Next: &15, f219

SYSTEM CHECKS

{ISOLATEMAINSPOWER}

Next: &318, !f20

WORCESTER 350

{ISOLATEMAINSPOWER}<

Next: &17, !f19

OVERHEAT THERMOSTAT 98 DEGREES (RESISTANCE)

{ISOLATEMAINSPOWER}
DISCONNECT BLACK WIRES FROM OVERHEAT THERMOSTAT

Next: &16, !f194

OBSERVATION OVERHEAT TRIPPED

Next: &192, f327

DHW BURNER ESTABLISHED

FLAME SENSE ELECTRODE AND LEAD

Next: End

CH FAN RUNS

CH SENSOR

Next: End

DHW NOISY OPERATION

MAIN DRIVER BOARD

Next: End

CH/DHW NOISY OPERATION

PUMP (NON RETURN VALVE)

Next: End

DHW SENSOR RESISTANCE

DHW SENSOR

Next: End

DHW SENSOR SCALED

DHW SENSOR

Next: End

CH OPERATION

SEQUENCE BOARD

Next: End

CH OPERATION

PUMP (NON RETURN VALVE)

Next: End

CH OPERATION

CH SENSOR

Next: End

CH OPERATION

TEMPERATURE CONTROL POTENTIOMETER

Next: End

CH MODULATION

CH SENSOR

Next: End

EXPANSION VESSEL

EXPANSION VESSEL

Next: End

FAN OVERRUN

MAIN DRIVER BOARD

Next: End

ANTI CYCLE TIME

MAIN DRIVER BOARD

Next: End

DHW FAN RUNS

FUSE F2

Next: End

DHW FAN RUNS

DHW SENSOR

Next: End

DHW TEMPERATURE RISE IS TOO SLOW AND GRADUAL

CH SENSOR

Next: End

DHW TEMPERATURE RISE IS TOO SLOW AND GRADUAL

MAIN DRIVER BOARD

Next: End

CH SENSOR RESISTANCE (DV)

CH SENSOR

Next: End

DHW NOISY OPERATION

SOLENOID DIVERTER VALVE

Next: End

CH SENSOR RESISTANCE (DV)

PUMP (NON RETURN VALVE)

Next: End

ELECTRICAL SAFETY CHECK

ELECTRICAL CHECKS

Next: End

OVERHEAT THERMOSTAT 98 DEGREES (RESISTANCE)

OVERHEAT THERMOSTAT (98 DEGREES)

Next: End

SYSTEM CHECKS

SYSTEM CHECKS

Next: End

STANDBY NEON

FUSE F1

Next: End

STANDBY NEON

Next: End

MAIN DRIVER BOARD

MAIN DRIVER BOARD

Next: End

SYSTEM PRESSURE

SYSTEM PRESSURE

Next: End

STANDBY NEON2STANDBY NEON

WATER PRESSURE SWITCH

Next: End

NOT WORKINGSTANDBY NEON

STANDBY NEON

Next: End

DHW BURNER PRESSURE

GAS INLET PRESSURE

Next: End

RELAY 1 NEUTRAL HIGH FAN

MAIN DRIVER BOARD

Next: End

NO VOLTAGE TO SEQ BOARD HIGH FAN

MAIN DRIVER BOARD

Next: End

DHW FAN RUNS

SELECTOR SWITCH (3 WAY SWITCH)

Next: End

NO VOLTAGE TO PROGRAMMER

MAIN DRIVER BOARD

Next: End

NO POWER TO DHW

PROGRAMMER

Next: End

DHW BURNER HIGH PRESSURE

DHW SENSOR

Next: End

CH FAN RUNS

EXT CONTROLS LINK

Next: End

CH FAN RUNS

SELECTOR SWITCH (3 WAY SWITCH)

Next: End

NO POWER TO CH

PROGRAMMER

Next: End

DHW MODULATION

MAIN DRIVER BOARD

Next: End

DHW FLOW RATE

GAUZE FILTER

Next: End

DHW QUIET OPERATION WARM RADIATORS

PUMP (NON RETURN VALVE)

Next: End

DHW OPERATION POWER TO PUMP RELAY WITH NO DEMAND

MAIN DRIVER BOARD

Next: End

DHW SENSOR RESISTANCE

MAIN DRIVER BOARD

Next: End

STANDBY NEON - WONT RESET

OVERHEAT THERMOSTAT (98 DEGREES)

Next: End

DHW FLOW RATE

FLOW RESTRICTOR

Next: End

GAS VALVE 1 SOLENOID (RESISTANCE)

GAS VALVE

Next: End

GAS VALVE 2 SOLENOID (RESISTANCE)

GAS VALVE

Next: End

DHW BURNER IGNITION

DHW OVERHEAT THERMOSTAT

Next: End

DHW IGNITION

GAS INLET PRESSURE

Next: End

DHW GAS VALVE PRESSURE

GAS VALVE

Next: End

DHW FLOW RATE

FLOW SWITCH ASSEMBLY

Next: End

FLOW SWITCH OPERATION

PROXIMITY SWITCH

Next: End

DHW FAN RUNS

FAN RESISTOR

Next: End

FAN RUNS, 170 VOLTS ONLY

MAIN DRIVER BOARD

Next: End

DHW FAN RUNS

SILICONE RUBBER TUBES

Next: End

VOLTAGE TO SEQUENCE BOARD (RELAY 4)

SEQUENCE BOARD

Next: End

VOLTAGE TO RELAY 3 COIL

MAIN DRIVER BOARD

Next: End

RELAY 3 PATHBACK

MAIN DRIVER BOARD

Next: End

VOLTAGE TO RELAY 3

MAIN DRIVER BOARD

Next: End

AIR PRESSURE SWITCH VOLTAGE (COMMON)

SEQUENCE BOARD

Next: End

DHW SPARKING

SILICONE RUBBER TUBES

Next: End

DHW SPARKING

FLUE

Next: End

DHW SPARKING

SPARK ELECTRODE AND LEAD

Next: End

DHW BURNER ESTABLISHED

SEQUENCE BOARD

Next: End

DHW QUIET OPERATION COLD RADIATORS

SECONDARY HEAT EXCHANGER

Next: End

DHW OPERATION

DHW PUMP

Next: End

DHW OPERATION

SEQUENCE BOARD

Next: End

CH NOISY OPERATION, DHW QUIET OPERATION

PUMP (NON RETURN VALVE)

Next: End

DHW OPERATION

PRIMARY HEAT EXCHANGER

Next: End

DHW MODULATION

GAS VALVE

Next: End

CH OPERATION

CH PUMP

Next: End

CH NOISY OPERATION, DHW QUIET OPERATION

Next: End

CH QUIET OPERATION

Next: End

CH MODULATION

TEMPERATURE CONTROL POTENTIOMETER

Next: End

DHW TEMPERATURE RISE IS TOO SLOW AND GRADUAL

SOLENOID DIVERTER VALVE

Next: End

CH QUIET OPERATION

CH SENSOR

Next: End

DHW NOISY OPERATION

SECONDARY HEAT EXCHANGER

Next: End

CH OPERATION

SOLENOID DIVERTER VALVE

Next: End

STANDBY NEON2

WATER PRESSURE SWITCH

Next: End

DHW BURNER HIGH PRESSURE

GAS VALVE

Next: End

DHW BURNER HIGH PRESSURE

MODUREG

Next: End

RELAY 1 NEUTRAL HIGH FAN

SEQUENCE BOARD

Next: End

DHW FAN RUNS

TRANSFORMER ASSEMBLY

Next: End

VOLTAGE TO TRANSFORMER

MAIN DRIVER BOARD

Next: End

NOT REACTING TO DHW PROGRAMMER

MAIN DRIVER BOARD

Next: End

DHW BURNER HIGH FLAME

SEQUENCE BOARD

Next: End

DHW BURNER HIGH PRESSURE

MAIN DRIVER BOARD

Next: End

CH FAN RUNS

MAIN DRIVER BOARD

Next: End

NOT REACTING TO CH PROGRAMMER

MAIN DRIVER BOARD

Next: End

DHW MODULATION

SEQUENCE BOARD

Next: End

NO VOLTAGE TO MAIN DRIVER BOARD BOILER MODULATION

SEQUENCE BOARD

Next: End

REDIRECT TO DHW FLOW RATE

DUMMY

Next: o309-&15, *

DHW OPERATION RELAY5 VOLTAGE TO CH PUMP ON DHW

SEQUENCE BOARD

Next: End

DHW FAN RUNS BREAK IN APS CIRCUITRY

SEQUENCE BOARD

Next: End

OVERHEAT INV

Z REDIRECT

Next: End

DHW BURNER IGNITION

SEQUENCE BOARD

Next: End

DHW BURNER IGNITION

BURNER/INJECTORS

Next: End

DHW FLOW RATE

SECONDARY HEAT EXCHANGER

Next: End

FLOW SWITCH OPERATION

FLOW SWITCH ASSEMBLY

Next: End

DHW FAN RUNS

FAN ASSEMBLY

Next: End

FAN RUNS, 170 VOLTS ONLY

SEQUENCE BOARD

Next: End

DHW FAN RUNS

AIR PRESSURE SWITCH

Next: End

VOLTAGE TO RELAY 3

SEQUENCE BOARD

Next: End

DHW SPARKING

AIR PRESSURE SWITCH

Next: End

SPARK ELECTRODE AND LEAD

SEQUENCE BOARD

Next: End

DHW NOISY OPERATION

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p117

DHW QUIET OPERATION, COLD RADIATORS

CHARACTERISTIC TEST FROM DHW OPERATION

Next: !p119

DHW QUIET OPERATION, WARM RADIATORS

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p310

CH/DHW NOISY OPERATION

CHARACTERISTIC TEST FROM CH OPERATION

Next: p131

CH NOISY OPERATION, DHW QUIET OPERATION

CHARACTERISTIC TEST FROM CH OPERATION

Next: !p133

CH QUIET OPERATION

CHARACTERISTIC TEST FROM CH OPERATION

Next: !p183

CH/DHW NOISY OPERATION

CHARACTERISTIC TEST FROM CH OPERATION

Next: !p191

CH NOISY OPERATION, DHW QUIET OPERATION

CHARACTERISTIC TEST FROM CH OPERATION

Next: p150

CH QUIET OPERATION

CHARACTERISTIC TEST FROM CH OPERATION

Next: p152

DHW TEMPERATURE RISE IS TOO SLOW AND GRADUAL

CHARACTERISTIC TEST FROM DHW OPERATION

Next: p178

LESS THAN 18 VOLTS

CHARACTERISTIC TEST FROM GAS VALVE 3 MODUREG (18 VOLTS)

Next: p287

APPROXIMATELY 30 VOLTS

CHARACTERISTIC TEST FROM GAS VALVE 3 MODUREG (18 VOLTS)

Next: !p269

GREATER 20V DC MEASURED

CHARACTERISTIC TEST FROM VOLTAGE DRIVER TO SEQUENCE BOARD BOILER MODULATION

Next: p290

APPROX 0V DC MEASURED

CHARACTERISTIC TEST FROM VOLTAGE DRIVER TO SEQUENCE BOARD BOILER MODULATION

Next: !p307

FAN DOES NOT RUN, VOLTAGE SEQUENCE AS DESCRIBED

CHARACTERISTIC TEST FROM DHW FAN RUNS

Next: !p41

FAN RUNS, 240 VOLTS ONLY OR FAN RUNS AND STOPS

CHARACTERISTIC TEST FROM DHW FAN RUNS

Next: p43

FAN RUNS, 170 VOLTS ONLY

CHARACTERISTIC TEST FROM DHW FAN RUNS

Next: p45

FAN DOES NOT RUN AND NO VOLTAGE MEASURED

CHARACTERISTIC TEST FROM DHW FAN RUNS

Next: p47

09/09/2016 10:10:55 1802_1_50_1 06/03/2018 13:38:32

08/02/2018 09:09:41

Next: End

FLAME SENSOR ELECTRODE

{ISOLATEMAINSPOWER}
DISCONNECT THE ELECTRODE LEAD FROM THE SEQUENCE BOARD

Next: !p102, !f101

CH SENSOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE BROWN AND YELLOW WIRES FROM CH SENSOR

Next: p295, !f110

VOLTAGE TO DHW PUMP

SELECTOR SWITCH TO WATER

Next: !p125, f124

CH PUMP RUNS WITH DHW DEMAND

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO WATER

Next: !p127, !f126

DHW SENSOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE BLACK WIRES FROM DHW SENSOR

Next: p142, !f141

VOLTAGE TO CH PUMP

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO HEATING & WATER
GAIN ACCESS TO PCB

Next: !p156, !f155

CH SENSOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE BROWN AND YELLOW WIRES FROM CH SENSOR

Next: !p165, !f164

WATER PRESSURE SWITCH VOLTAGE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO WATER
LOWER FRONT PANEL OF CONTROL BOX

Next: p254, f221

FUSE F1 (RESISTANCE)

{ISOLATEMAINSPOWER}
REMOVE FUSE FROM MAIN DRIVER BOARD

Next: p222, !f223

GAS INLET PRESSURE

{ISOLATEMAINSPOWER}
ATTACH U GAUGE TO INLET PRESSURE TEST POINT

Next: p264, !f270

VOLTAGE TO TRANSFORMER

SELECTOR SWITCH TO WATER

Next: !p277, f278

OBSERVATION PROGRAMMER OR SELECTOR SWITCH

Next: p279, f280

SELECTOR SWITCH RESISTANCE (DHW)

{ISOLATEMAINSPOWER}<

Next: !p281, !f282

SELECTOR SWITCH RESISTANCE (CH)

{ISOLATEMAINSPOWER}<

Next: !p300, !f301

GAUZE FILTER

{ISOLATEMAINSPOWER}
LOWER CONTROL BOX PANEL
TURN OFF MAINS WATER SUPPLY

Next: p32, !f31

VOLTAGE DRIVER TO SEQUENCE BOARD BOILER MODULATION AT TEMP

{ISOLATEMAINSPOWER}
GAIN ACCESS TO PCBS
ADJUST FLOW RATE AT TAP TO APPROXIMATELY 7 L/MIN

Next: !p305, !f306

OVERHEAT FURTHER INVESTIGATION

ENSURE APPLIANCE IS COOL
RESET THE OVERHEAT THERMOSTAT BY PUSHING IN THE BUTTON ABOVE THE BOILER

Next: !p328, !f329

GAS VALVE 1 SOLENOID (RESISTANCE)

{ISOLATEMAINSPOWER}
REMOVE BROWN AND BLUE LEADS FROM BOTTOM GAS VALVE SOLENOID

Next: p331, !f332

DHW OVERHEAT THERMOSTAT RESISTANCE

{ISOLATEMAINSPOWER}
DISCONNECT THE TWO BLACK WIRES FROM THE DHW OVERHEAT THERMOSTAT

Next: !p336, !f337

PROXIMITY SWITCH OPERATION

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR X1 FROM MAIN DRIVER BOARD

Next: !p39, !f38

TRANSFORMER 24 VOLTS

SELECTOR SWITCH TO WATER

Next: p57, f276

SILICONE RUBBER TUBES

{ISOLATEMAINSPOWER}

Next: !p65, !f64

AIR PRESSURE SWITCH VOLTAGE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO WATER
GAIN ACCESS TO PCBS

Next: p82, f81

AIR PRESSURE SWITCH VOLTAGE (COMMON)

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO WATER
GAIN ACCESS TO PCBS

Next: p84, !f83

DHW PUMP RUNS

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO WATER
LOWER CONTROL BOX

Next: p123, f122

CH OPERATION

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO HEATING & WATER
ATTACH U-GAUGE TO GAS VALVE

Next: p184, ?130, ?132, ?134

NON RETURN VALVES

{ISOLATEMAINSPOWER}
DISCHARGE AND DRAIN BOILER

Next: !p139, !f138

DHW SENSOR SCALED

{ISOLATEMAINSPOWER}
TURN OFF COLD WATER SUPPLY AT THE INLET OFF THE BOILER

Next: p144, !f143

DHW GAS VALVE MODULATION VOLTAGE

{ISOLATEMAINSPOWER}<

Next: !p146, f304

CH PUMP RUNS

SELECTOR SWITCH TO HEATING & WATER

Next: p154, f153

CH SENSOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE BROWN AND YELLOW WIRES FROM CH SENSOR

Next: p160, !f159

NON RETURN VALVES

{ISOLATEMAINSPOWER}
DISCHARGE AND DRAIN BOILER

Next: !p158, !f157

CH POTENTIOMETER RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE CONNECTOR FROM X11 ON MAIN DRIVER BOARD

Next: !p162, !f161

FUSE F2 (RESISTANCE)

{ISOLATEMAINSPOWER}
REMOVE FUSE FROM SEQUENCE BOARD

Next: p171, !f170

DHW SENSOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE BLACK WIRES FROM DHW SENSOR

Next: p315, !f172

CH SENSOR RESISTANCE (DV)

Next: p180, !f179

DHW DIVERTER VALVE VOLTS

SELECTOR SWITCH TO W

Next: !p182, !f181

CH SENSOR RESISTANCE (DV)

Next: p186, !f185

DIVERTER VALVE OPEN

{ISOLATEMAINSPOWER}
ISOLATE MAINS WATER INLET SUPPLY

Next: p188, !f187

NON RETURN VALVES

{ISOLATEMAINSPOWER}
DISCHARGE AND DRAIN BOILER

Next: !p190, !f189

MAINS POWER SUPPLY

Next: p224, !f225

VOLTAGE INTO WATER PRESSURE SWITCH

SELECTOR SWITCH TO WATER

Next: p226, !f227

SYSTEM PRESSURE OK?

Next: p228, !f229

CHECK WATER PRESSURE SWITCH FOR BLOCKAGES

{ISOLATEMAINSPOWER}
DRAIN BOILER OF SYSTEM PRESSURE.

Next: !p257, !f231

FAULTY NEON CARRY ON WITH XSOL

FAULTY STANDBY NEON.

Next: !p308, !f256

GAS VALVE 3 MODUREG (18 VOLTS)

SELECTOR SWITCH TO WATER
RUN DHW BOILER UNTIL WATER RUNS COLD BEFORE TURNING MAINS POWER ON

Next: !p265, ?266, ?268

RELAY 1 NEUTRAL HIGH FAN

SELECTOR SWITCH TO WATER

Next: p272, !f273

VOLTAGE TO SEQUENCE BOARD RELAY 1 HIGH FAN

SELECTOR SWITCH TO WATER

Next: !p274, !f275

VOLTAGE PROGRAMMER FROM DRIVER BOARD

Next: p283, !f284

VOLTAGE PROGRAMMER DHW OUT

DHW TO ON AT PROGRAMMER

Next: !p285, !f286

VOLTAGE DRIVER TO SEQUENCE BOARD BOILER MODULATION

{ISOLATEMAINSPOWER}<

Next: !p288, ?289, ?291

DHW SENSOR RESISTANCE

{ISOLATEMAINSPOWER}
REMOVE BLACK WIRES FROM DHW SENSOR

Next: !p293, !f294

EXTERNAL CONTROL LINK RESISTANCE

{ISOLATEMAINSPOWER}<

Next: p296, !f297

OBSERVATION PROGRAMMER OR SELECTOR SWITCH

Next: p298, f299

VOLTAGE PROGRAMMER CH OUT

Next: !p302, !f303

CH PUMP RUNS (DHW DEMAND)

SELECTOR SWITCH TO WATER

Next: p311, !f312

VOLTAGE MAIN DRIVER BOARD TO SEQUENCE BOARD PUMP RELAY

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

Next: !p313, !f314

VOLTAGE DRIVER TO SEQUENCE FOR APS

Next: !p316, !f317

FLOW RESTRICTOR

{ISOLATEMAINSPOWER}
LOWER CONTROL BOX
TURN OFF MAINS WATER SUPPLY

Next: p34, !f33

GAS VALVE 2 SOLENOID (RESISTANCE)

{ISOLATEMAINSPOWER}<

Next: p334, !f333

DHW GAS VALVE VOLTAGE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO WATER
GAIN ACCESS TO PCBS

Next: p338, f335

GAS INLET PRESSURE

{ISOLATEMAINSPOWER}
ATTACH U GAUGE TO INLET PRESSURE TEST POINT

Next: p339, !f340

DHW GAS VALVE PRESSURE

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO WATER
ATTACH U-GAUGE TO GAS VALVE

Next: !p341, !f342

FLOW SWITCH REGULATOR (BLOCKED)

{ISOLATEMAINSPOWER}
TURN OFF DHW SUPPLY AT THE INLET

Next: !p36, !f35

FAN RESISTOR (RESISTANCE)

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR X17 FROM SEQUENCE BOARD

Next: p271, !f48

RELAY 1 NEUTRAL LOW FAN

Next: !p53, !f52

AIR PRESSURE SWITCH VOLTAGE (COMMON)

{ISOLATEMAINSPOWER}
SELECTOR SWITCH TO WATER
GAIN ACCESS TO PCBS

Next: p55, f54

VOLTAGE TO SEQUENCE BOARD (RELAY 4)

Next: p73, !f72

AIR PRESSURE SWITCH RESISTANCE (NO AIR)

{ISOLATEMAINSPOWER}
UNPLUG CONNECTOR X21 FROM SEQUENCE BOARD

Next: p169, f62

VOLTAGE TO RELAY 3 COIL

SELECTOR SWITCH TO WATER

Next: p75, !f74

RELAY 3 PATH BACK

SELECTOR SWITCH TO WATER

Next: p77, !f76

VOLTAGE TO RELAY 3

SELECTOR SWITCH TO WATER

Next: !p79, !f78

SPARK ELECTRODE AND LEAD

{ISOLATEMAINSPOWER}

Next: !p90, !f89

SILICONE RUBBER TUBES

{ISOLATEMAINSPOWER}

Next: p86, !f85

FLUE

Next: !p88, !f87

System Information

  • Total Tests: 223
  • Sequence Logic: Decoded from encrypted .seq file
  • Navigation: Dynamic based on pass/fail results
  • Source: 4731307 GW SWIFTFLOW 100 SIT Control