Siemens LMV5 Series Basic Documentation page 195

Error Diagnostic Device
code code
15 04 SA
15 08 SA
15 10 FuM
15 20 SA
16 # BU
16 00 BU
16 01 BU
16 02 BU
16 03 BU
16 04 BU
16 05 BU
16 0A BU
Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 15 Addendum 1: List of fault status messages of LMV51... system
Display
Fault Positioning Actuator Positioning fault auxiliary actuator 1
Fault Positioning Actuator Positioning fault auxiliary actuator 2
Fan Speed not reached The fan in combination with the VSD has
not reached the required speed
Fault Positioning Actuator Positioning fault auxiliary actuator 3
Internal Fault Basic Unit
Basic unit has detected a plausibility fault
in the ratio control system.
The diagnostic code describes the cause
of the fault.
Internal Fault Basic Unit Ratio curve of the air actuator is not fully
defined
Internal Fault Basic Unit Ratio curve of the fuel actuator is not fully
defined
Internal Fault Basic Unit Ratio curve of auxiliary actuator 1 is not
fully defined
Internal Fault Basic Unit Ratio curve of auxiliary actuator 2 is not
fully defined
Internal Fault Basic Unit Ratio curve of auxiliary actuator 3 is not
fullydefined
Internal Fault Basic Unit VSD curve is not fully defined
Internal Fault Basic Unit Calculated P-part outside the permissible
range
Meaning for the LMV5x system Troubleshooting
Check the curve to see if correct values have been entered
for the air actuator. Readjust the ratio curve, if required
Check the curve to see if correct values have been entered
for the fuel actuator. Readjust the ratio curve, if required
Check the curve to see if correct values have been entered
for auxiliary actuator 1. Readjust the ratio curve, if required
Check the curve to see if correct values have been entered
for auxiliary actuator 2. Readjust the ratio curve, if required
Check the curve to see if correct values have been entered
for auxiliary actuator 3. Readjust the ratio curve, if required
Check the curve to see if correct values have been entered
for the VSD. Readjust the ratio curve, if required
Check to see if correct values have been entered for the
controller parameters. Readjust O2 trim control, if required,
or repeat the settings
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CC1P7550en
01.10.2003