Subject to alterations, 03.06.20
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Error code list LMV
25 Error code list LMV
loc.C:
loc.d:
Description
Measure
No communication between basic unit
LMV27... and AZL2…
Check wiring for interruptions/loose contacts
2
1 - 4
No flame at the end of the safety time
3
0 - 84
Compressed air fault
No compressed air
4
0 - 86
External light
7
0 - 255
flame cut-off
12
0
Fuel valve 1 leaking
(fuel valve 2 for leakage check 9
For leakage check via X5-01
(gas pressure switch min)
- Check whether valve on burner side is leaking
- Check whether pressure switch for leakage
check
is closed when gas pressure is applied
- Check wiring for short-circuit
1
Fuel valve 2 leaking
(fuel valve 1 for leakage check via
X5-01)
For leakage check via X5-01
(gas pressure switch min)
- Check whether valve on gas side is leaking
- Check wiring for short-circuit
2- 5
Leakage check not possible
Leakage check activated but no input assigned
81
V1 leaking
Check whether valve on gas side is leaking
Check the wiring for interruptions
83
V2 leaking
Check whether the valve on the burner side is
leaking
Check whether the pressure switch for the leak
test is closed when gas pressure is applied
Check wiring for short-circuit
14
0
POC open
Check whether valve NC contact is closed
1
POC closed
Check wiring
Check whether valve NC contact opens when he
valve is activated
64
POC open start prevention
Check wiring for interruptions
Check whether valve NC contact is closed
19
80
Combustion pressure, POC start preven-
tion
Check whether the pressure switch is closed
without combustion pressure being present
Check wiring for short-circuit
20
0 - 1
Pressure switch min no minimum gas
pressure/oil pressure
Check wiring for interruption
21
0- 64
Pressure switch max/POC
Check wiring for interruption.
POC: Check whether valve NC contact
is closed
22 OFF S
0 - 87
Safety chain
23
0 - 2
Gas pressure switch min (Pmin)
Check wiring for interruption (X5-01)
50 - 67
#
Internal error
70
26 - 26
Error group
Set all curve points for gas and air actuators, and
for the FC
71
0 - 3
Special position undefined
Parametrise actuators
75-84
Internal fault group
85
0
Error group fuel drive
Referencing of fuel drive not possible.
Unable to reach reference point.
1. Check whether the drives have been
exchanged
2. Check whether the drive is blocked or over-
loaded
