54/219
Building Technologies Basic Documentation LMV27... CC1P7541en
7 Basic unit LMV27 17.12.2018
3. Resetting via the ACS410 PC software
Refer to the documentation covering the ACS410 PC software (J7352).
Error
code
Diagnostic
code
Meaning for the LMV27
167 3 Manual lockout via ACS410 PC software
7.5.3.2. Alarm upon start prevention
If start prevention occurs, it is shown on the display of the AZL2.
Start prevention takes place only when a heat request is delivered and when one of the
startup criteria is not fulfilled.
The time to elapse from start prevention to display on the AZL2 is set to a fixed value of
5 seconds.
In addition, it is possible to indicate start preventions via the alarm output. This function
can be activated per parameter.
No. Parameter
210
Alarm in the event of start prevention
0 = deactivate
1 = activate
If Alarm in the event of start prevention is activated via the alarm relay, start prevention
and lockout can only be distinguished via the display on the AZL2. Start preventions are
displayed as Err:, lockouts as Loc:.
Note
If the reset contact X8-04 Pin 1 on the LMV27 is activated during a startup prevention,
the LMV27 will be manually locked.
The time from occurrence of start prevention to indication by the alarm contact equals
the time to the display on the AZL2.
7.5.3.3. Possible start preventions
On the normal display, error code 201 is translated to text display OFF UPr (UPr =
unprogrammiert = not programmed); the numerical value appears in the error history.
Error
code
Diagnostic
code
Meaning for the LMV27
201
OFF UPr
1 No operating mode selected
2…3 No fuel train defined
4…7 No curve defined
8…15 Standardized speed undefined
16…31 Backup / restore was not possible
Other start preventions:
3 4
Air pressure ON – start prevention
4 2
Extraneous light during the startup phase- start prevention
14 64 POC open - start prevention
21 64
POC open - start prevention (software version V02.00)
22
OFF S
1
Safety loop / burner flange open - prevention of startup
97 #
Error relay supervision
0
Safety relay has welded or extraneous voltage present at
the safety relay
To Next Page
Loading...
Need help?
General
