Installation and operating instruction
Oil burner WL30Z-C
10 Troubleshooting
83297902 3/2019-11 La
84-112
The following faults must only be rectified by qualified personnel:
Fault codes Cause
Rectification
Abh
Air pressure switch does not react
Check air pressure switch setting
Check hoses on air pressure switch
Check air pressure switch and cable, replace if
necessary
Check burner motor and cable, replace if
necessary [ch. 9.11]
bAh
Flame simulation/extraneous light at start-up
Find and eliminate extraneous light source
Check flame sensor
bbh
Burner shutdown via contact X3:7
(plug No. 7)
–
CCh
Oil pressure switch does not switch
Check oil supply
Check oil pump, if necessary replace
Check oil pressure switch and cable, if neces-
sary replace
Check burner motor and cable, replace if
necessary [ch. 9.11]
Cdh
Air pressure switch 2 does not react
Check air pressure switch setting
Check hoses on air pressure switch
Check air pressure switch and cable, replace if
necessary
CEh
Bridging plug No. 15 is missing
Plug in bridging plug
CFh
No start release (X3:14)
Check start release
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. 3.3.5].
Coded plug on actuator slot missing
Plug in coded plug
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. 9.15]
Содержание WL30Z-C
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