Siemens LMV37.4 Series Basic Documentation page 205

Error
Diagnostic code
code
150 #
1 (-1)
2 (-2)
3 (-3)
4 (-4)
5 (-5)
165 #
166 0
167 #
1
2
3
8
9
33
168 #
169 #
170 #
171 #
200 OFF #
201
#
OFF UPr
1
2..3
4..7
8..15
16..31
Building Technologies
HVAC Products
Meaning for LMV37.4... system
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 tool
Manual locking by the AZL2...
Timeout / communication breakdown
Manual locking by the PC tool
Communication breakdown
Manual locking after PC tool
reset attempt
Internal error management
Internal error management
Internal error management
Internal error management
System error-free
Start prevention
No operating mode selected
No fuel train defined
No curves defined
Standardized speed undefined
Backup / restore was not possible
Basic documentation LMV37.4...
28 Error code list
Recommended measures
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 tool made a reset attempt although the system worked correctly
Make a reset; if error occurs repeatedly, replace the unit
Make a reset; if error occurs repeatedly, replace the unit
Make a reset; if error occurs repeatedly, replace the unit
Make a reset; if error occurs repeatedly, replace the unit
No error
Start prevention because unit has not been parameterized
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CC1P7546en
01.12.2009