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Installation and operating instruction
Gas burner WG40…/1-A ZM-LN
10 Troubleshooting
83300002 1/2019-02 La
97-128
The following faults must only be rectified by qualified personnel:
Fault codes Cause
Rectification
d1h
Connection to actuator faulty
Rectify the fault using the following procedure:
Interrupt voltage supply.
Plug in plug on combustion manager correctly
Fit W-FM cover [ch. 3.3.4].
Parameter
E0
not configured correctly
Check configuration of parameter
E0
d2h
More than 5 resets in the past 15 minutes by re-
mote reset (X3:14)
Rectify cause of fault
Reset via operating panel on burner.
Press and hold reset key for 5 seconds.
Display flashes.
Reset burner
d4h
External voltage at operating signal X7:B5
Find and eliminate external voltage source
Internal unit fault
Interrupt the voltage supply temporarily
Reset the burner, if fault reoccurs replace the
combustion manager [ch. 9.16]
10.3 Operating problems
The following faults must only be rectified by qualified personnel:
Observation
Cause
Rectification
Poor start behaviour of burner
Mixing pressure too high
Reduce mixing pressure in ignition
position
Ignition electrode set incorrectly
Set ignition electrode [ch. 9.5]
Mixing head set incorrectly
Set mixing head [ch. 9.4]
Combustion pulsating or burner
booming
Mixing head set incorrectly
Set mixing head [ch. 9.4]
Incorrect combustion air quantity
Adjust burner
Stability problems
Mixing pressure too high
Decrease mixing pressure
No display at operating panel
Plug from operating panel not properly
plugged in
Plug in plug on combustion manager
correctly
Operating panel defective
Replace operating panel