Siemens LMV51 Series - Page 218

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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system 13.08.2004
Error
code
Diagnostic
code
Device Display Meaning for the LMV5x system Troubleshooting
39 01 BU Internal Fault Basic Unit Fault with timer1
39 02 BU Internal Fault Basic Unit Fault with timer2
39 03 BU Internal Fault Basic Unit Fault with timer3
3A --- BU No Burner ID defined No burner identification defined Parameterize burner identification
3B --- BU No Service Password defined No service password defined Enter service password
40 --- BU Internal Fault Basic Unit Wrong contact position of SR relay *1)
41 --- BU Internal Fault Basic Unit Wrong contact position of ignition Check output wiring
42 # BU Internal Fault Basic Unit Wrong contact position of BV relay Check output wiring
42 01..FF BU Internal Fault Basic Unit The diagnostic value is made up of the
following faults or their combinations (the
individual diagnostic codes are added up
in hexadecimal format)
42 01 BU Internal Fault Basic Unit Contact position fault SV-oil
42 02 BU Internal Fault Basic Unit Contact position fault V1-oil
42 04 BU Internal Fault Basic Unit Contact position fault V2-oil
42 08 BU Internal Fault Basic Unit Contact position fault V3-oil
42 10 BU Internal Fault Basic Unit Contact position fault SV-gas
42 20 BU Internal Fault Basic Unit Contact position fault V1-gas
42 40 BU Internal Fault Basic Unit Contact position fault V2-gas
42 80 BU Internal Fault Basic Unit Contact position fault V3-gas
43 # BU Fault in connection with plausibility
check. For cause of fault, refer to diag-
nostic code
*1)
43 01 BU Internal Fault Basic Unit No fuel selection
43 02 BU No Fuel Train defined No defined fuel train parameterized or
undefined type of fuel
Select fuel again with the AZL5...
43 03 BU Internal Fault Basic Unit Variable "Train" not defined
43 04 BU Internal Fault Basic Unit Variable "Fuel" not defined
43 05 BU Internal Fault Basic Unit Operating mode with LC not defined
43 06 BU Internal Fault Basic Unit Prepurge time gas too short
43 07 BU Internal Fault Basic Unit Prepurge time oil too short
43 08 BU Internal Fault Basic Unit Safety time 1 gas too long