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 GREENSTAR HIGHFLOW CDI ERP

GLOBALLY REPLACED

Next: &1, *

APPLIANCE APPEARS SATISFACTORY

Next: nff

CASE REMOVAL

Next: &19, !f557

OBSERVATION PUMP OVERRUN OPERATION

CH TEMPERATURE CONTROL SET TO MAX

Next: &nff, ?874, ?876

PREHEAT OPERATION (HEAT STORE)

ENSURE HEAT STORE IS COOL

Next: &11, ?828, ?830, ?832, ?865

CH OPERATION

Next: &12, ?266, ?268, ?270

DHW OPERATION

PREHEAT SWITCHED OFF (ECO BUTTON ILLUMINATED)

Next: &13, ?256, ?258, ?260, ?788

DHW BURNER IGNITION & ESTABLISH

ENSURE BOILER IS COOL

Next: &254, ?98, ?100, ?102, ?104, ?160, ?288

PUMP RUNS AT POWER UP

ENSURE NO DEMANDS

Next: &15, f106

POWER UP - SELF TEST

CH AND DHW TEMPERATU

Next: &1367, ?566, ?568, ?612

DHW FLOW RATE

Next: &16, f57

PRESSURE GAS INLET (MAX OUTPUT)

ATTACH U GAUGE TO GA

Next: &255, !f556

PRESSURE FAN MAXIMUM OUTPUT

ATTACH PRESSURE GAUG

Next: &253, f1296

CH DEMAND

ENSURE PRIMARY HEAT EXCHANGER IS BELOW 40°C

Next: &14, f717

ADDITIONAL SYMBOLS GUIDE

Next: &nff, !f611

FUSE FURTHER INVESTIGATION

NOT USED

Next: &nff, f981

FAULT CODE D5

NOT USED

Next: &nff, f1151

FAULT CODE D3

NOT USED

Next: &nff, f1143

FAULT CODE B1

NOT USED

Next: &nff, f1033

FAULT CODE A7

NOT USED

Next: &nff, f1026

FAULT CODE A5

NOT USED

Next: &nff, f1070

FAULT CODE A1

NOT USED

Next: &nff, f1231

FAULT CODE F1- B7 - B2 - B3 - B4 - B5 - B6

NOT USED

Next: &nff, f1060

FAULT CODE F0 WITH RESET FLASHING - RESET FACTORY SETTINGS

NOT USED

Next: &nff, !f1278

FAULT CODE E9 (OVERHEAT)

NOT USED

Next: &nff, f1085

FAULT CODE E2

NOT USED

Next: &nff, f1019

FAULT CODE D6

NOT USED

Next: &nff, f1173

FAULT CODE FD

NOT USED

Next: &nff, f1065

FAULT CODE FA & F7

NOT USED

Next: &nff, f1038

FAULT CODE A8

NOT USED

Next: &nff, f1078

RESET FACTORY SETTINGS

Next: &nff, !f1274

SE RESET GUIDE