53
Installation and Servicing
Section 4 - Fault Finding
FAUL
T FINDING
4.1 FAULT FINDING MAIN MENU
‘L 01’
Go to Section 4.2: Flow Temperature Overheat Lockout
‘L 02’
Go to Section 4.3: Ignition Lockout
‘L 0C’
5 Restarts within 15 minutes: Turnpower off & on
‘L 06’
Go to Section 4.4: False Flame Lockout
‘F 01’
Go to Section 4.5: Low Water Pressure
‘F 02’
Go to Section 4.6: Flame Loss
‘F 03’
Go to Section 4.7: Fan Fault
‘L 04’ or ‘F 04’
Go to Section 4.8: Flow Thermistor Fault
‘L 05’ or ‘F 05’
Go to Section 4.9: Return Thermistor Fault
‘F 06’
Go to Section 4.10: Outside Sensor Fault
‘F 07’
Low Mains Voltage: Contact Electricity Provider
‘F 09’
PCB Fault: Replace PCB
‘L 0d’
Go to Section 4.3: Ignition Lockout: Blocked Flue/Condensate
‘dU’
Diverter Valve in midposition for service, press Restart to end
-
No CH, but HW OK
Go to Section 4.11
No HW, but CH OK
Go to Section 4.12
No Display
Go to Section 4.13
‘F 0C’
DHW Thermistor Fault: Go to Section 4.15
‘F 14’
High Mains Voltage: Contact electricity provider
‘F 0t’
Room Thermostat Fault: Check Room Stat & connections
‘F 16’
Gas Valve Fault: Check gas valve wiring, if OK replace gas valve
‘F 12’
Pump Rotor Blocked: Clear blockage
‘F 13’ or ‘F 15’ or ‘F 17’
Pump Fault: Check pump wiring, if OK replace pump
‘F 10’
Spark Generator Fault: Check wiring, if OK replace spark generator
‘F 0U’
Go to Section 4.14: Flow/Return Differential greater than 50°C
Содержание LOGIC COMBI2 C24
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