Johnson & Starley Quantec HR28C - Troubleshooting and Fault Resolution; Error Codes

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6
ERROR CODES
E01
Ignition lockout
Check other gas appliances work
Reset boiler
Contact installer
E02
False flame lockout Contact installer
E03
Overheat lockout
Fill system to 1.0bar
Bleed radiators
Check radiator valves are open
Reset boiler
Contact installer
E05
Fan fault Contact installer
E08
Flame circuit failure Contact installer
E09
Valve feed back ERROR Contact installer
E12
EEPROM lockout Contact installer
E15
Sensor drift lockout
Fill system to 1.0bar
Bleed radiators
Check valves are open
Reset boiler
Contact installer
E16
E17
E18
Sensor stuck lockout
Fill system to 1.0bar
Bleed radiators
Check valves are open
Reset Boiler
Contact installer
E21
ADC lockout Contact installer
E33
Return thermistor fault Contact Installer
E34
Low power supply lockout Contact installer or Electrician
E35
Flow thermistor fault Contact Installer
9. TROUBLE SHOOTING