Siemens LMV5 Series Basic Documentation

Also see for LMV 5 Series: User manual Manual Technical instructions Quick start guide Manual

223/278Siemens Building Technologies Basic Documentation LMV51... CC1P7550enHVAC Products 15 Addendum 1: List of fault status messages of LMV51... system 01.10.2003ErrorcodeDiagnosticcodeDevice Display Meaning for the LMV5x system TroubleshootingA6 EF LC Internal Fault Load Controller Invalid branch in eeprom module() *1)A6 F0 LC Internal Fault Load Controller Fault during ROM test *1)A6 F1 LC Internal Fault Load Controller Fault during RAM test *1)A6 F2 LC Internal Fault Load Controller Fault during RAM test, register bank 0 *1)A6 F3 LC Internal Fault Load Controller Fault during RAM test, IDATA range *1)A6 F4 LC Internal Fault Load Controller Fault during RAM test, XDATA range *1)A6 F5 LC Internal Fault Load Controller Stack pointer does not point at stack *1)A6 F6 LC Internal Fault Load Controller Stack overflow *1)A6 FE LC Internal Fault Load Controller Fault messages in fault management *1)A6 FF LC Internal Fault Load Controller Fault messages in fault management *1)A7 # AZL AZL5…has detected own fault andreported it to the basic unit.Type of fault: See diagnostic codeObserve instructions given below, and:If fault occurs sporadically: Improve EMC.If fault occurs constantly: Replace defective AZL…A7 01 AZL Internal Fault AZL CRC fault during ROM testA7 02 AZL Internal Fault AZL CRC fault during RAM testA7 04 AZL Internal Fault AZL Fault during key value checkA7 05 AZL Internal Fault AZL Time block overflowA7 07 AZL Internal Fault AZL Sync fault or CRC faultA7 08 AZL Internal Fault AZL Fault main loop counterA7 09 AZL Manual Lockout AZL Fault message for emergency off functionvia AZL…A7 0A AZL Internal Fault AZL Invalid AZL5… pageA7 0B AZL >250,000 startups, service requiredA7 0C AZL Internal Fault AZL Save fault parameterA7 0D AZL Menu for Oil. Current Fuel is Gas Fuel changeover from oil to gas Change to menu "GasSettings"A7 0E AZL Menu for Gas. Current Fuel is Oil Fuel changeover from gas to oil Change to menu "OilSettings"A7 15 AZL Internal Fault AZL CAN queue faultA7 16 AZL Internal Fault AZL CAN overflow faultA7 17 AZL Internal Fault AZL CAN busoff