Siemens LMV51 Series Basic Documentation page 240

Error Diagnostic Device
code code
A7 0D AZL
A7 0E AZL
A7 15 AZL
A7 16 AZL
A7 17 AZL
A7 18 AZL
A7 1A AZL
A7 1B AZL
A7 1C AZL
A7 20 AZL
A7 22 AZL
A7 24 AZL
A7 28 AZL
A7 30 AZL
A7 38 AZL
A7 40 AZL
A7 88 AZL
A7 89 AZL
A7 8A AZL
240/301
Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 16 Addendum 1: List of fault status messages of LMV5... system
Display
Menu for Oil. Current Fuel is Gas Fuel changeover from oil to gas
Menu for Gas. Current Fuel is Oil Fuel changeover from gas to oil
Internal Fault AZL CAN queue fault
Internal Fault AZL CAN overflow fault
Internal Fault AZL CAN busoff
Internal Fault AZL CAN warning level
Internal Fault AZL EEPROM fault
No valid Parameter Backup Fault during copying of a parameter page Reset the unit, repeat backup restore if necessary
Internal Fault AZL Page in EEPROM was disrupted, has
been restored
Internal Fault AZL Display fault
Internal Fault AZL RTC is locked, permanently busy
Internal Fault AZL Buffer for page copies too small
Internal Fault AZL Time stamp could not be sent
Fault Communication eBUS Fault in connection with eBUS communi-
cation
Internal Fault AZL Interface mode could not be terminated
Communication AZL with PC tool Parameterization fault PC tool. Disclosed
by key value check in AZL
Internal Fault AZL RAM fault with redundant inverse vari-
ables
Internal Fault AZL Program run fault, execution of program
code that will probably never be executed
Internal Fault AZL Unintentional watchdog reset
Meaning for the LMV5x system Troubleshooting
Change to menu "GasSettings"
Change to menu "OilSettings"
CC1P7550en
13.08.2004