Troubleshooting in marathon
®
gas and dual fuel burners
dreizler A 3001 E - 18.12.2015 | A 2012 - 1.09 | EN - 23.10.2009
157
49 Troubleshooting in marathon
®
gas and dual fuel burners
CAUTION!
Please follow our safety instructions chapter 1 "Safety instructions" (A 2000).
In case of a trouble shut-off, the relevant error code is diplayed on the burner management system.
This error code allows quick identification of the cause of the error.
Read and note down the error code.
Press the reset button and remedy burner interference.
NOTICE:
For detailed information on the error codes, see dreizler
®
operation manuals for the burner management
system Orbic or LME.
Error
Possible cause
Trouble shooting
Burner does not start-up.
Safety chain missing.
Check safety chain.
Control chain missing.
Check control chain.
Check terminals T1 and T2.
No gas supply pressure or insuffi-
cient pressure.
Check gas supply pressure with
pressure manometer, notify gas
supply company where applicable.
Bimetal of motor circuit-breaker
was activated.
Check motor circuit-breaker of
three-phase motor.
Check all three phases of the motor
for
400 V.
Valve tightness control has output
an error.
Check valve for leakage and reset
valve tightness control.
Burner management system
defective.
Check burner management system.
Check fuses and plug connections.
Error
Possible cause
Trouble shooting
Ignition problems.
Electrode ground fault. Electrodes
are set incorrectly.
Dismantle burner head and check
ignition and ionisation electrodes for
correct installation position, replace
electrodes where required.
Plug connection on electrodes or
ignition transformer is loose.
Tighten connection.
Gas solenoid valve does not open. Check electric connection.
Check pressure downstream of the
valve with a manometer. Replace
valve where required.
UV cell is defective.
Check UV cell and replace where
required.
