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Revision 2
21/12/2021
SP - MAN - SERVICE - 01
Fault Code List
Error Code
Description of Fault
Possible Causes
E01
Oil Pump Start-Up Failure
Check connections between control unit and pump
E02
No Flame Detected
No Fuel (faulty pump/solenoid),
Faulty or Obstructed Flame Scanner (Check sight glass is clean)
Faulty ignition equipment,
Incorrect combustion settings
E03
Low Air Pressure
Check air pipe connection to air pressure switch and fan
Faulty Air Pressure Switch or loose connection
Faulty Fan Motor or loose connection
E04
Oil Pump Drive Fault
Check connections between oil pump and PCB
E05
Oil Pump Over-current
Check pump for possible seizure or lack of fuel
E06
Oil Pump Fault
Check fuel supply to pump and electrical connections
E07
Oil Pump Fault
Check fuel supply to pump and electrical connections
E08
Flame on Start Up
Faulty Flame Scanner,
Check Fuel Solenoid coil is no faulty,
Contamination in fuel supply
Light in combustion chamber
E09
Boiler Overheat
Allow boiler to cool then reset thermostat
Check external circulating
water pumps
Ensure sufficient flow/return to boiler.
E10
System Load Failure
Recycle power and check all values are loaded correctly via TSI.
E11
Flame After Shut-down
Check Flame Scanner
Check Fuel Solenoid coil is not faulty,
Contamination in fuel supply
E12
Pump Communication Failure Check electrics and recycle power to the system
E13
Safety Communication Failure Check electrics and recycle power to the system
E14
Incorrect Pump Pressure
Check connections between PCB and pump
E15
Incorrect Fan Speed
Check connections between PCB and Fan Maybe TSI
E16
Pump Pressure Sensor Failure
Check connections between PCB and pump
E17
Safety Reset Failure
Check electrics and recycle power to the system
10.0 Boiler lockouts and fault codes
In the event of a failure, the boiler will go into a lockout phase. The cause of the lockout could be down to a number of
things but an error code will be displayed on the boiler panel LCD screen.
FIG 65
This error code can be looked up below to provide possible causes of the fault.
“
To Reset
” the burner, you can press the reset button located under the LCD screen
FIG 65.
Alternatively, the boiler can be
reset from the engineers hand held TSI when connected to the boiler.
LCD Fault Code Displayed
Reset Button
Fig. 65
Fault Codes