Weishaupt WL20/2-C Z User Manual

Installation and operating instruction
Oil burner WL20/2-C Z
10 Troubleshooting
83307702 1/2019-04 La
58-80
10.2 Operating problems
The following faults must only be rectified by qualified personnel:
Observation Cause Rectification
Poor start behaviour of burner Mixing pressure too high Correct mixing pressure
Ignition electrodes set incorrectly Set ignition electrodes [ch.9.5]
Mixing head set incorrectly Set mixing head [ch.9.7]
Oil pump makes severe mech-
anical noise
Oil pump sucks air Ensure oil supply is tight
Suction resistance in oil line too high Clean filter
Check oil supply
Oil nozzle atomisation uneven Nozzle blocked/soiled Replace nozzle [ch.9.4]
Nozzle worn
Flame tube/diffuser has heavy
soot deposit
Oil nozzle defective Replace nozzle [ch.9.4]
Mixing head set incorrectly Set mixing head [ch.9.7]
Incorrect combustion air quantity Adjust burner
Boiler room ventilated insufficient Ensure sufficient boiler room ventila-
tion
Wrong oil nozzle Check nozzle type [ch.4.2]
Nozzle distance incorrect Check nozzle distance, adjust if
necessary [ch.9.7]
Combustion pulsating or burner
booming
Mixing head set incorrectly Set mixing head [ch.9.7]
Incorrect combustion air quantity Adjust burner
Wrong oil nozzle Check nozzle type [ch.4.2]
CO content too high Nozzle distance too big Check nozzle distance, adjust if
necessary [ch.9.7]
Stability problems Nozzle distance incorrect Check nozzle distance, adjust if
necessary [ch.9.7]
Wrong oil nozzle Check nozzle type [ch.4.2]
Restart after flame failure Burner repeats start process See error codes flashing 7 times

Weishaupt WL20/2-C Z Specifications

General

Brand	Weishaupt
Model	WL20/2-C Z
Category	Burner
Language	English