Installation and operating instruction
Oil burner WL30Z-C
10 Troubleshooting
83297902 3/2019-11 La
83-112
The following faults must only be rectified by qualified personnel:
Fault codes Cause
Rectification
49h
Actuator does not drive to reference point cor-
rectly
Check freedom of movement of air damper and /
or angle drive
Replace actuator [ch. 9.13]
4Ah
Set parameter E0 to 1 and plug in coded plug
Check parameter E0 [ch. 6.2.4].
63h
Speed learning curve incorrect
Re-adjust burner
65h
First detailed fault code:
00h
Tolerance fault air actuator or frequency con-
verter
Check freedom of movement of air damper and /
or angle drive
Replace actuator [ch. 9.13]
Check frequency converter or fan, replace if ne-
cessary
First detailed fault code:
01h
Tolerance fault air actuator
Check freedom of movement of air damper and /
or angle drive
Replace actuator [ch. 9.13]
First detailed fault code:
02h
Tolerance fault frequency converter
Check frequency converter or fan, replace if ne-
cessary
First detailed fault code:
04h
Tolerance fault air actuator or frequency con-
verter
Check freedom of movement of air damper and /
or angle drive
Replace actuator [ch. 9.13]
Check frequency converter or fan, replace if ne-
cessary
First detailed fault code:
05h
Tolerance fault air actuator
Check freedom of movement of air damper and /
or angle drive
Replace actuator [ch. 9.13]
First detailed fault code:
06h
Tolerance fault frequency converter
Check frequency converter or fan, replace if ne-
cessary
First detailed fault code:
07h
Time run out during speed standardisation
Time in setting mode run out
Press [+] key within 20 seconds during speed
standardisation
Press key within 30 minutes in setting mode
67h
Flame sensor short circuit
Replace flame sensor
A2h
Safety circuit is open
Check safety circuit
A6h
Flame simulation/extraneous light
Find and eliminate extraneous light source
Check flame sensor
A7h
No flame signal after safety time
Check oil nozzles, if necessary replace
Set ignition electrodes [ch. 9.5]
Check the ignition unit and replace if necessary
Check solenoid valve coil and cable, replace if
necessary
Check flame sensor and cable, if necessary re-
place
Check mixing pressure, if necessary reduce
Check burner setting
Replace combustion manager [ch. 9.15]
A8h
Flame failure during operation
Check burner setting
Check oil supply
Check oil nozzles, if necessary replace
Check flame sensor, if necessary replace
A9h
Flame failure during stabilisation time
see
A7h
AAh
Switch contact of air pressure switch not in
Standby
Check air pressure influences
Check air pressure switch setting
Check air pressure switch and cable, replace if
necessary
Replace combustion manager [ch. 9.15]
