Installation and operating instruction
Gas burner WG40…/1-A ZM-LN
10 Troubleshooting
83300002 1/2019-02 La
93-128
10.2 Rectifying faults
The following faults must only be rectified by qualified personnel:
Fault codes Cause
Rectification
01h
…
02h
05h
…
0bh
0dh
…
10h
13h
…
15h
17h
19h
…
1Ch
1Eh
43h
45h
50h
56h
A0h
ACh
b0h
…
b2h
b9h
Internal unit fault
Interrupt the voltage supply temporarily
Reset the burner, if fault reoccurs replace the
combustion manager [ch. 9.16]
The following faults must only be rectified by qualified personnel:
Fault codes Cause
Rectification
03h
Ambient temperature too high
Interrupt the voltage supply temporarily
Check ambient temperature [ch. 3.4.3]
Reset the burner, if fault reoccurs replace the
combustion manager [ch. 9.16]
Internal unit fault
Interrupt the voltage supply temporarily
Reset the burner, if fault reoccurs replace the
combustion manager [ch. 9.16]
04h
More than 5 resets in the last 15 minutes
Press and hold reset key for 5 seconds.
Display flashes.
Reset burner
0Ch
Burner configuration incorrect
Check burner configuration
Check values in parameter level [ch. 6.2.3]
Check parameter E0 … E3 [ch. 6.2.4]
Pre-purge phase less than 20 seconds
(sum from parameters 60 and 61).
Increase pre-purge phase (only possible with
VisionBox).
11h
Low voltage
Check voltage supply
12h
Voltage supply was temporarily interrupted
Check voltage supply
16h
Communication with TWI interface (VisionBox)
incorrect
Plug in and unplug participants on the TWI Bus
only when de-energised
Reduce the number of participants on the TWI
Bus
Reduce cable length