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240011511 REV. C [05/31/2017]
C.1 Troubleshooting
WARNING
Electrical shock hazard. Only a trained, experienced
service technician should perform troubleshooting
procedure. Failure to do so could result in death or
serious injury.
!
C.2 Preliminary Steps:
Consult Beckett or Riello instruction manuals provided with oil
burner for specific information regarding oil burner primary control
sequence of operation, diagnostics and troubleshooting.
Check diagnostic light for indications of burner condition.
NOTICE
When simulating call for heat at oil primary control,
disconnect at least one thermostat lead wire from T - T
terminals to prevent damage to thermostat. Neglecting
this procedure may burn out heat anticipator of
standard 24 vac thermostat, or cause harm to
components within micro-electronic thermostat.
Before checking oil primary control, perform these preliminary
checks, repair or replace controls as necessary:
• Check power supply, fuse box or breaker, any service
switches, all wiring connections, and burner motor reset
button (if equipped).
• Check limit switches to ensure switch contacts are closed.
• Check electrode gap and position.
• Check contacts between oil primary control and electrodes.
• Check oil supply (tank gauge).
•
Check oil nozzle, oil filter, and oil valves.
• Check piping or tubing to oil tank.
• Check oil pump pressure.
C.3 Check Oil Primary Control
If the trouble does not appear to be in the burner or ignition
hardware, check the oil primary control per manufacturer's
instructions included with oil burner.
APPENDIX C - SEQUENCE OF OPERATION AND TROUBLESHOOTING
