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Building Technologies Division  Basic documentation LMV36...  CC1P7544en 
Infrastructure & Citiies Sector  30 Error code list  25.09.2013 
Error 
code 
Diagnostic code  Meaning for the LMV36... system  Remedy 
  241 (-15)  Restore – abortion due to unsuitable product no. (ASN)  Backup has an unsuitable product no. (ASN) and must not be restored 
  242 (-14)  Backup – backup made is inconsistent  Backup is faulty and cannot be transferred back 
  243 (-13)  Backup – data comparison between µCs faulty  Reset and repeat backup 
  244 (-12)  Backup data are incompatible  Backup data are incompatible with the current software version, restore not possible 
  245 (-11)  Access error to parameter Restore_Complete  Reset and repeat backup 
  246 (-10)  Restore – timeout when storing in EEPROM  Reset and repeat backup 
  247 (-9)  Data received are inconsistent  Backup data record invalid, restore not possible 
  248 (-8)  Restore cannot at present be made  Reset and repeat backup 
  249 (-7)  Restore – abortion due to unsuitable burner identification  Backup has an unsuitable burner identification and must not be transferred to the unit 
  250 (-6)  Backup – CRC of one page is not correct  Backup data record invalid, restore not possible 
  251 (-5)  Backup – burner identification is not defined  Define burner identification and repeat backup 
  252 (-4)  After restore, pages still on ABORT  Reset and repeat backup 
  253 (-3)  Restore cannot at present be made  Reset and repeat backup 
  254 (-2)  Abortion due to transmission error  Reset and repeat backup 
  255 (-1)  Abortion due to timeout during backup / restore 
Make a reset, check the connections and repeat backup / restore 
In case of repeated backup timeout, the AZL2... does not yet support backup functionality 
146  #  Timeout building automation interface 
Refer to Modbus User Documentation (A7541) 
 1  Modbus timeout   
 2  reserved   
150  #  TÜV test 
 
  1 (-1)  Invalid phase  TÜV test may only be started in phase 60 (operation)  
 
2 (-2)  TÜV test default output too low  TÜV test default output must not be smaller than the lower output limit 
 
3 (-3)  TÜV test default output too high  TÜV test default output must not be greater than the upper output limit 
 
4 (-4)  Manual interruption  No error: Manual abortion of TÜV test by user 
  5 (-5)  TÜV test timeout 
No loss of flame after shutdown of fuel valves 
1.  Check to see if there is extraneous light 
2.  Check wiring to see if there is a short-circuit 
Check to see if valve is leaking 
165 #  Internal error 
 
166 
0  Internal error watchdog reset   
167 #  Manual locking 
Unit has been manually locked (no error) 
  1  Manual locking by contact   
  2  Manual locking by AZL2...   
  3  Manual locking by PC software   
 8 
Manual locking by the AZL2... 
Timeout / communication breakdown 
During a curve adjustment via the AZL2..., the timeout for menu operation has elapsed (setting via 
parameter 127), or communication between the LMV36... and the AZL2... has broken down 
  9  Manual locking by the PC software  During a curve adjustment via the ACS410, communication between the LMV36... and the ACS410