Weishaupt WL20/2-C Z User Manual

Installation and operating instruction
Oil burner WL20/2-C Z
10 Troubleshooting
83307702 1/2019-04 La
57-80
10.1.3 Illuminated push button flashes
An irregularity is present. The burner does not go to lockout. Once the fault has
been rectified, the error code ceases.
Error codes without lockout
The following faults must only be rectified by qualified personnel:
Fault codes Cause Rectification
Flashing green/red Extraneous light prior to heat demand Find and eliminate extraneous light
source
Flashing red/orange with pause Excess voltage Check voltage supply
Flashing orange/red Low voltage Check voltage supply
Internal unit fuse (F7) faulty Replace fuse [ch.9.14]
Combustion manager fault Replace combustion manager
Flashing green Flame sensor soiled Clean flame sensor
Flame sensor defective Replace flame sensor
Burner operation with weak flame signal
(<45µA)
Adjust burner whilst observing the re-
commended flame signal [ch.7.1.1]
Glimmering red OCI mode activated (not used) Press illuminated push button for
more than 5 seconds
Combustion manager changes to op-
erating mode

Weishaupt WL20/2-C Z Specifications

General

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