VMP-IOMM-2018-2
Fulton Ltd
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TROUBLESHOOTING - 6
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Building Technologies Division Basic documentation LMV26... CC1P7547en
30 Error code list 20.04.2016
Error code Diagnostic code Meaning for the LMV26... system Remedy
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
3. 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 LMV26... and the AZL2... has broken down
9
Manual locking by the PC software
Communication breakdown
During a curve adjustment via the ACS410, communication between the LMV26... and the
ACS410 was interrupted for more than 30 seconds
33
Manual locking by the PC software
Test of lockout
PC software made a reset attempt with an error-free system
168 # Internal error management Make a reset; if error occurs repeatedly, replace the unit
169 # Internal error management Make a reset; if error occurs repeatedly, replace the unit
170 # Internal error management Make a reset; if error occurs repeatedly, replace the unit
171 # Internal error management Make a reset; if error occurs repeatedly, replace the unit
200 OFF # System error-free No error
201 OFF UPr0
or OFF UPr1
# Prevention of startup
Start prevention due to unparameterized unit
Go to error history, entry 702, for initial cause of the error with shutdown in connection with the
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