Siemens LMV5 Series Basic Documentation page 229

Burner control with integrated fuel / air ratio control, burner control with load control and oxygen trim control for forced-draft burners
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Error
Diagnostic
Device
code
code
AB
33
O2M
AB
34
O2M
AB
38
O2M
AB
3E
O2M
AB
3F
O2M
B0
#
BU
B0
01
BU
Siemens Building Technologies
Basic Documentation LMV51...
HVAC Products
15 Addendum 1: List of fault status messages of LMV51... system
Display
Internal Fault O2 Module
Page disrupted
Internal Fault O2 Module
Invalid access to parameters
Internal Fault O2 Module
Fault during copying of a parameter page Reset the unit.
Internal Fault O2 Module
External plausibility fault.
This type of fault covers possible faults
occurring due to invalid presettings in the
drive commands. In response, the
presettings will be ignored
Internal Fault O2 Module
Internal plausibility fault.
This type of fault covers possible errors
that cannot practically occur
Fault during test of port outputs
Internal Fault Basic Unit
Fault when resetting the set outputs
Meaning for the LMV5x system
Troubleshooting
Reset the unit.
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL5...
parameters.
Otherwise, replace defective O2 module
Reset the unit.
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL5...
parameters.
Otherwise, replace defective O2 module
! Caution ! If fault occurred during parameterization: Check
the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL5...
parameters.
Otherwise, replace defective O2 module
Reset the unit.
! Caution ! If this fault occurred during parameterization:
Check the parameters changed last.
If fault cannot be rectified by the reset: Restore AZL5...
parameters.
Otherwise, replace defective O2 module
*2)
*1)
229/278
CC1P7550en
01.10.2003

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