Siemens LMV37.4 Series Basic Documentation page 227

Error
Diagnostic code
code
241 (-15)
242 (-14)
243 (-13)
244 (-12)
245 (-11)
246 (-10)
247 (-9)
248 (-8)
249 (-7)
250 (-6)
251 (-5)
252 (-4)
253 (-3)
254 (-2)
255 (-1)
146 #
1
150 #
1 (-1)
2 (-2)
3 (-3)
4 (-4)
5 (-5)
165 #
166
0
167 #
1
2
3
8
9
33
Building Technologies Division
Industry Sector
Meaning for the LMV37.4... system
Restore –interruption concerning unpassable ASN
Backup – backup made is inconsistent
Backup – data comparison between µCs faulty
Backup data are incompatible
Access error to parameter Restore_Complete
Restore – timeout when storing in EEPROM
Data received are inconsistent
Restore cannot at present be made
Restore – abortion due to unsuitable burner identification Backup has an unsuitable burner identification and must not be transferred to the unit
Backup – CRC of one page is not correct
Backup – burner identification is not defined
After restore, pages still on ABORT
Restore cannot at present be made
Abortion due to transmission error
Abortion due to timeout during restore
Timeout building automation interface
Modbus timeout
TÜV test
Invalid phase
TÜV test default output too low
TÜV test default output too high
Manual abortion
TÜV test timeout
Internal error
Internal error watchdog reset
Manual locking
Manual locking by contact
Manual locking by AZL2...
Manual locking by PC software
Manual locking by the AZL2...
Timeout / communication breakdown
Manual locking by the PC software
Communication breakdown
Manual locking after PC software
Basic documentation LMV37.4...
29 Error code list
Remedy
The Backup has a unpassable ASN and may not restore of the unit
Backup is faulty and cannot be transferred back
Repeat reset and backup
Backup data are incompatible with the current software version, restore not possible
Repeat reset and backup
Repeat reset and backup
Backup data set invalid, restore not possible
Repeat reset and backup
Backup data set invalid, restore not possible
Define burner identification and repeat backup
Repeat reset and backup
Repeat reset and backup
Repeat reset and backup
Make a reset, check the connections and repeat the backup
Refer to User Documentation Modbus (A7541)
TÜV test may only be started in phase 60 (operation)
TÜV test default output must be lower than the lower output limit
TÜV test default output must be higher than the upper output limit
No error: Manual abortion of TÜV test by the user
No loss of flame after fuel valves have been shut
1. Check for extraneous light
2. Check wiring for short-circuit
3. Check to see if one of the valves is leaking
Unit has been manually locked (no error)
During a curve adjustment via the AZL2..., the timeout for menu operation has elapsed (setting via
parameter 127), or communication between the LMV37.4... and the AZL2... has broken down
During a curve adjustment via the ACS410, communication between the LMV37.4... and the ACS410
was interrupted for more than 30 seconds
PC software made a reset attempt although the system worked correctly
227/235
CC1P7546en
20.09.2013