IDEAL LOGIC+ SYSTEM2 S15 Installation & Servicing page 70

1.9 DISPLAY FUNCTIONS - FAULT MESSAGES
Overheat Lockout
1 With boiler off & system cold, fill system
to 1.0 bar.
2 Bleed radiators, refill system to 1.0 bar.
3 Check radiator valves & boiler valves are
open.
4 Restart boiler.
5 If fault persists contact installer.
Restart Menu
Ignition Lockout
1 Check other gas appliances work.
2 Restart boiler.
3 If fault persists, contact installer.
Restart Menu
Flame Loss
Contact Installer
Menu
Too Many Restarts
Contact Installer
Menu
Flame On Before Gas On
Contact Installer
Restart Menu
Flow Thermistor Fault
Contact Installer
Restart Menu
8
Outside Sensor Fault
Contact Installer
Menu
Return Thermistor Fault
Contact Installer
Restart Menu
Fan Fault
Contact Installer
Menu
PCB Fault
Contact Installer
Menu
Low Mains Voltage
Contact electricity provider
Menu
Low Water Pressure
1 With boiler off & system cold,
fill system to 1.0 bar.
2 Bleed radiators, refill system to 1.0 bar.
3 If fault persists, contact installer.
Menu
Room Thermostat Fault
Check room thermostat batteries
Menu
Spare PCB Not Set
Contact Installer
Menu
No Water Flow
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
Pump Rotor Blocked
Contact Installer
Menu
Pump Dry Run
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
Pump Fault
Contact Installer
Menu
Gas Valve Fault
Contact electricity provider
Restart Menu
Blocked Flue/Condensate
1 Check if condensate pipe
blocked/frozen
2 Check if flue blocked
3 If fault persists, contact installer
Restart Menu
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