Installation and operating instruction
Oil burner WL40Z-A
6 Operation
83298002 3/2019-11 La
32-112
6.2.2 Service level
The service level gives information about:
Actuator position of the individual operating points,
the most recent fault,
flame signal during burner operation.
Press [Enter] for approx. 2 seconds.
The service level is activated.
Press [Enter] to reach the next information.
Only in conjunction with variable speed drive
The speed set can be displayed at information
0
…
9
.
Displaying the fan speed:
Press key [L/A].
No.
Information
0
Actuator position in operating point P
0
1
Actuator position in operating point P
1
2
Actuator position in operating point P
2
(switch off point stage 2 when running closed)
3
Actuator position in operating point P
3
(switch on point stage 2 when running open)
9
Actuator position in operating point P
9
10
…
18
Fault memory
most recent fault … ninth last occurred fault
Display additional information:
1. Detailed error codes / operating status:
Press [+] key.
2. Detailed error codes:
Press [–] and [+] keys simultaneously.
Repetition counter:
Press key [G].
19
Flame Signal
Flame sensor QRB4
(1
(intermittent operation)
Flame sensor LFS1/RAR9
(continuous operation)
255
…
121
: no flame
30
: high quality
recommended value: <
40
1
: flame present
(1
Flame sensor QRB4 is not suitable for continuous operation.
After information
19
or a waiting time of approx. 20 seconds the combustion man-
ager changes over to the operating level.
