Roberts Gorden HF 30 v4 Installation, Commissioning, Service & User Instructions page 62

CABINET HEATER
9.1 Oil Burner Fault Finding (See Burner Manufacturer's Instructions)
Does the burner fire ?
Does the burner control box 'lockout'
before 15 seconds ?
Does the burner control box 'lockout'
after 15 seconds ?
BURNER OPERATING
Check if the control fuse in heater
has blown
Check supply to burner motor
Check control box
Disconnect photo cell and try again
Use 9.3 to trace fault
Did the burner fire ?
Use 9.3 to trace fault
Repair or replace
Control Box faulty - Replace
Check ignition electrodes are set as
in the manufacturer's instructions,
the fuel supply and nozzle
Check oil solenoid valve