Installation and operating instruction
Oil burner WM-L20/2-A R (W-FM100/200)
10 Troubleshooting
83252902 1/2019-09 La
59-84
10.1.2 Lockout
If a lockout condition occurs, the combustion manager initiates a fault shutdown
and burner lockout.
The display and operating unit alternately shows the shutdown behaviour and the
fault diagnosed as a plain text display.
Example
Lockout
Air pressure is
off
Once the fault has been rectified, the combustion manager has to be reset for re-
start.
Lockouts must only be rectified by qualified personnel.
Read the error code and proceed according to the error message, see installa-
tion and operating manual combustion manager.
Resetting
WARNING
Damage resulting from incorrect fault repair
Incorrect fault repair can cause damage to the equipment and injure personnel.
Do not carry out more than 2 lockout resets successively.
Faults must be rectified by qualified personnel.
If the ABE displays a fault:
Exit display using the [esc] key.
Reset burner using the [ENTER] key.
If the [esc] key has been pressed twice, reset can only be carried out via the menu.
Select
Operating display
.
Select
Status/Reset
.
Current lockout is displayed.
Exit display using the [esc] key.
Reset burner using the [ENTER] key.
Exchanging the unit
If the combustion manager or the ABE are replaced:
Select and check fault history and lockout history and include a copy when re-
turning the unit for exchange.
