User Guide
7
USER
1.8 DISPLAY FUNCTIONS - FAULT MESSAGES
1 With boiler off & system cold, fill system
to 1.0bar.
2 Bleed radiators, refill system to 1.0bar.
3 Check radiator valves & boiler valves are
open.
4 Restart boiler.
5 If fault persists contact installer.
Restart
Menu
Overheat Lockout
1 Check other gas appliances work.
2 Restart boiler.
3 If fault persists, contact installer.
Restart
Menu
Ignition Lockout
Contact Installer
Menu
Flame Loss
Contact Installer
Menu
Too Many Restarts
Contact Installer
Restart
Menu
Flame On Before Gas On
Contact Installer
Restart
Menu
Flow Thermistor Fault
Contact Installer
Menu
Outside Sensor Fault
Contact Installer
Restart
Menu
Return Thermistor Fault
Contact Installer
Menu
Fan Fault
Contact Installer
Menu
PCB Fault
Contact electricity provider
Menu
Low Mains Voltage
Contact Installer
Menu
Flow/Return Reversed
Contact electricity provider
Restart
Menu
Gas Valve Fault
1 Check if condensate pipe
blocked/frozen
2 Check if flue blocked
3 If fault persists, contact installer
Restart
Menu
Blocked Flue/Condensate
Check room thermostat batteries
Menu
Room Thermostat Fault
Contact Installer
Menu
Spare PCB Not Set
1 With boiler off & system cold,
fill system to 1.0bar.
2 Bleed radiators, refill system to 1.0bar.
3 If fault persists, contact installer.
Menu
No Water Flow
