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BACnet unknow-object
#1
Hi,

I'm currently having alot of issues with multiple LM's. They seem to sometimes respond with unknown-object on objects that do exist in their db and then they immediately fix themsleves right after.

Has anyone else had these problems? I have a log from a python script I made to show the issue;

Code:
2026-07-08 20:09:31,594 INFO    loaded 1010 object(s) from config.tsv (1010 data rows, 0 unparseable, 0 filtered out) 2026-07-08 20:09:31,595 INFO    polling 1010 configured object(s); device summary=False; enumerate=False 2026-07-08 20:09:31,596 INFO    bacmon started -> device 10.126.161.19:47808, db=bacmon.sqlite, interval=10s, bind=0.0.0.0:47811 (unicast) 2026-07-08 23:42:27,076 ERROR   [CRITICAL] object_went_bad analog-value:80509 B215081_81_06AM121_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-08 23:42:37,057 INFO    [INFO] object_recovered analog-value:80509 B215081_81_06AM121_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:38,461 ERROR   [CRITICAL] object_went_bad analog-value:80159 B215081_81_07AQ202_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,471 ERROR   [CRITICAL] object_went_bad analog-value:80156 B215081_81_07AP211_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,481 ERROR   [CRITICAL] object_went_bad analog-value:80160 B215081_81_07AQ211_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,492 ERROR   [CRITICAL] object_went_bad analog-value:80162 B215081_81_07AQ212_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,501 ERROR   [CRITICAL] object_went_bad analog-value:80142 B215081_81_07AP221_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,511 ERROR   [CRITICAL] object_went_bad analog-value:80711 B215081_81_06AG251_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,521 ERROR   [CRITICAL] object_went_bad analog-value:80725 B215081_81_06AL262_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,532 ERROR   [CRITICAL] object_went_bad analog-value:80723 B215081_81_06AL261_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,543 ERROR   [CRITICAL] object_went_bad analog-value:80713 B215081_81_06AG262_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,555 ERROR   [CRITICAL] object_went_bad analog-value:80729 B215081_81_06AN251_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,575 ERROR   [CRITICAL] object_went_bad analog-value:80709 B215081_81_06AG241_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,590 ERROR   [CRITICAL] object_went_bad analog-value:80717 B215081_81_06AH281_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,604 ERROR   [CRITICAL] object_went_bad analog-value:80732 B215081_81_06AP281_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,620 ERROR   [CRITICAL] object_went_bad analog-value:80714 B215081_81_06AG282_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:38,631 ERROR   [CRITICAL] object_went_bad analog-value:80742 B215081_81_06AJ271_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 00:09:48,451 INFO    [INFO] object_recovered analog-value:80159 B215081_81_07AQ202_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,463 INFO    [INFO] object_recovered analog-value:80156 B215081_81_07AP211_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,473 INFO    [INFO] object_recovered analog-value:80160 B215081_81_07AQ211_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,506 INFO    [INFO] object_recovered analog-value:80162 B215081_81_07AQ212_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,521 INFO    [INFO] object_recovered analog-value:80142 B215081_81_07AP221_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,536 INFO    [INFO] object_recovered analog-value:80711 B215081_81_06AG251_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,550 INFO    [INFO] object_recovered analog-value:80725 B215081_81_06AL262_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,563 INFO    [INFO] object_recovered analog-value:80723 B215081_81_06AL261_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,573 INFO    [INFO] object_recovered analog-value:80713 B215081_81_06AG262_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,584 INFO    [INFO] object_recovered analog-value:80729 B215081_81_06AN251_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,599 INFO    [INFO] object_recovered analog-value:80709 B215081_81_06AG241_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,619 INFO    [INFO] object_recovered analog-value:80717 B215081_81_06AH281_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,632 INFO    [INFO] object_recovered analog-value:80732 B215081_81_06AP281_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,649 INFO    [INFO] object_recovered analog-value:80714 B215081_81_06AG282_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:09:48,667 INFO    [INFO] object_recovered analog-value:80742 B215081_81_06AJ271_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 00:35:39,041 ERROR   [CRITICAL] object_went_bad analog-value:80200 B215081_81_07AM021_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 00:35:49,044 INFO    [INFO] object_recovered analog-value:80200 B215081_81_07AM021_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 01:37:50,568 ERROR   [CRITICAL] object_went_bad analog-value:81032 B215081_81_05AO251_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 01:38:00,480 INFO    [INFO] object_recovered analog-value:81032 B215081_81_05AO251_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 01:48:35,987 ERROR   [CRITICAL] object_went_bad analog-value:81331 B215081_TekniskAnlegg_Ventilasjon_S360_I107_IVZ_046T_splyFanMaxSP present-value: error(class=object,code=unknown-object) 2026-07-09 01:48:35,996 ERROR   [CRITICAL] object_went_bad analog-value:81348 B215081_TekniskAnlegg_Ventilasjon_S360_I111_IVZ_037T_splyFanMaxPV present-value: error(class=object,code=unknown-object) 2026-07-09 01:48:36,005 ERROR   [CRITICAL] object_went_bad analog-value:81338 B215081_TekniskAnlegg_Ventilasjon_S360_I108_IVZ_045T_splyFanPressureSP present-value: error(class=object,code=unknown-object) 2026-07-09 01:48:36,032 ERROR   [CRITICAL] object_went_bad analog-value:81334 B215081_TekniskAnlegg_Ventilasjon_S360_I107_IVZ_046T_extFanMaxSP present-value: error(class=object,code=unknown-object) 2026-07-09 01:48:36,043 ERROR   [CRITICAL] object_went_bad analog-value:81392 B215081_TekniskAnlegg_Ventilasjon_S360_I102_IVZ_048T_splyFanPressureSP present-value: error(class=object,code=unknown-object) 2026-07-09 01:48:45,919 INFO    [INFO] object_recovered analog-value:81331 B215081_TekniskAnlegg_Ventilasjon_S360_I107_IVZ_046T_splyFanMaxSP present-value readable again (unknown-object -> ok) 2026-07-09 01:48:45,929 INFO    [INFO] object_recovered analog-value:81348 B215081_TekniskAnlegg_Ventilasjon_S360_I111_IVZ_037T_splyFanMaxPV present-value readable again (unknown-object -> ok) 2026-07-09 01:48:45,939 INFO    [INFO] object_recovered analog-value:81338 B215081_TekniskAnlegg_Ventilasjon_S360_I108_IVZ_045T_splyFanPressureSP present-value readable again (unknown-object -> ok) 2026-07-09 01:48:45,952 INFO    [INFO] object_recovered analog-value:81334 B215081_TekniskAnlegg_Ventilasjon_S360_I107_IVZ_046T_extFanMaxSP present-value readable again (unknown-object -> ok) 2026-07-09 01:48:45,968 INFO    [INFO] object_recovered analog-value:81392 B215081_TekniskAnlegg_Ventilasjon_S360_I102_IVZ_048T_splyFanPressureSP present-value readable again (unknown-object -> ok) 2026-07-09 02:25:51,683 ERROR   [CRITICAL] object_went_bad analog-value:80623 B215081_81_06AL151_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 02:25:51,693 ERROR   [CRITICAL] object_went_bad analog-value:80606 B215081_81_06AE151_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 02:25:51,702 ERROR   [CRITICAL] object_went_bad analog-value:80604 B215081_81_06AD221_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 02:25:51,717 ERROR   [CRITICAL] object_went_bad analog-value:80620 B215081_81_06AJ151_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 02:25:51,733 ERROR   [CRITICAL] object_went_bad analog-value:80621 B215081_81_06AK151_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 02:26:01,720 INFO    [INFO] object_recovered analog-value:80623 B215081_81_06AL151_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 02:26:01,730 INFO    [INFO] object_recovered analog-value:80606 B215081_81_06AE151_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 02:26:01,740 INFO    [INFO] object_recovered analog-value:80604 B215081_81_06AD221_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 02:26:01,765 INFO    [INFO] object_recovered analog-value:80620 B215081_81_06AJ151_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 02:26:01,780 INFO    [INFO] object_recovered analog-value:80621 B215081_81_06AK151_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 05:51:28,910 ERROR   [CRITICAL] object_went_bad analog-value:80424 B215081_81_06AZ101_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 05:51:38,934 INFO    [INFO] object_recovered analog-value:80424 B215081_81_06AZ101_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 07:03:28,111 ERROR   [CRITICAL] object_went_bad analog-value:81420 B215081_81_08AP021_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 07:03:28,121 ERROR   [CRITICAL] object_went_bad analog-value:81407 B215081_81_08AM101_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 07:03:38,085 INFO    [INFO] object_recovered analog-value:81420 B215081_81_08AP021_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 07:03:38,094 INFO    [INFO] object_recovered analog-value:81407 B215081_81_08AM101_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 08:03:28,671 ERROR   [CRITICAL] object_went_bad analog-value:80653 B215081_81_06AP201_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 08:03:38,472 INFO    [INFO] object_recovered analog-value:80653 B215081_81_06AP201_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 10:21:44,577 ERROR   [CRITICAL] object_went_bad analog-value:81371 B215081_TekniskAnlegg_Ventilasjon_S360_I114_IVZ_038T_extFanPressureSP present-value: error(class=object,code=unknown-object) 2026-07-09 10:21:44,585 ERROR   [CRITICAL] object_went_bad analog-value:81346 B215081_TekniskAnlegg_Ventilasjon_S360_I110_IVZ_044T_extFanMaxSP present-value: error(class=object,code=unknown-object) 2026-07-09 10:21:54,557 INFO    [INFO] object_recovered analog-value:81371 B215081_TekniskAnlegg_Ventilasjon_S360_I114_IVZ_038T_extFanPressureSP present-value readable again (unknown-object -> ok) 2026-07-09 10:21:54,568 INFO    [INFO] object_recovered analog-value:81346 B215081_TekniskAnlegg_Ventilasjon_S360_I110_IVZ_044T_extFanMaxSP present-value readable again (unknown-object -> ok) 2026-07-09 11:21:58,295 ERROR   [CRITICAL] object_went_bad analog-value:80001 B215081_81_07AD251_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 11:21:58,305 ERROR   [CRITICAL] object_went_bad analog-value:80004 B215081_81_07AD271_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 11:21:58,314 ERROR   [CRITICAL] object_went_bad analog-value:80006 B215081_81_07AD291_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 11:22:08,624 INFO    [INFO] object_recovered analog-value:80001 B215081_81_07AD251_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 11:22:08,634 INFO    [INFO] object_recovered analog-value:80004 B215081_81_07AD271_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 11:22:08,643 INFO    [INFO] object_recovered analog-value:80006 B215081_81_07AD291_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 16:49:41,231 ERROR   [CRITICAL] object_went_bad analog-value:80643 B215081_81_06AM164_LightDelayID present-value: error(class=object,code=unknown-object) 2026-07-09 16:49:51,247 INFO    [INFO] object_recovered analog-value:80643 B215081_81_06AM164_LightDelayID present-value readable again (unknown-object -> ok) 2026-07-09 17:13:06,850 ERROR   [CRITICAL] object_went_bad analog-value:81361 B215081_TekniskAnlegg_Ventilasjon_S360_I113_IVZ_041T_splyFanMaxSP present-value: error(class=object,code=unknown-object) 2026-07-09 17:13:06,862 ERROR   [CRITICAL] object_went_bad analog-value:81358 B215081_TekniskAnlegg_Ventilasjon_S360_I112_IVZ_048T_extFanMaxSP present-value: error(class=object,code=unknown-object) 2026-07-09 17:13:06,871 ERROR   [CRITICAL] object_went_bad analog-value:81364 B215081_TekniskAnlegg_Ventilasjon_S360_I113_IVZ_041T_extFanMaxSP present-value: error(class=object,code=unknown-object) 2026-07-09 17:13:06,886 ERROR   [CRITICAL] object_went_bad analog-value:81378 B215081_TekniskAnlegg_Ventilasjon_S360_I116_IVZ_043T_splyFanMaxPV present-value: error(class=object,code=unknown-object) 2026-07-09 17:13:06,901 ERROR   [CRITICAL] object_went_bad analog-value:81359 B215081_TekniskAnlegg_Ventilasjon_S360_I112_IVZ_048T_extFanPressureSP present-value: error(class=object,code=unknown-object) 2026-07-09 17:13:06,915 ERROR   [CRITICAL] object_went_bad analog-value:81379 B215081_TekniskAnlegg_Ventilasjon_S360_I116_IVZ_043T_splyFanMaxSP present-value: error(class=object,code=unknown-object) 2026-07-09 17:13:17,059 INFO    [INFO] object_recovered analog-value:81361 B215081_TekniskAnlegg_Ventilasjon_S360_I113_IVZ_041T_splyFanMaxSP present-value readable again (unknown-object -> ok) 2026-07-09 17:13:17,069 INFO    [INFO] object_recovered analog-value:81358 B215081_TekniskAnlegg_Ventilasjon_S360_I112_IVZ_048T_extFanMaxSP present-value readable again (unknown-object -> ok) 2026-07-09 17:13:17,079 INFO    [INFO] object_recovered analog-value:81364 B215081_TekniskAnlegg_Ventilasjon_S360_I113_IVZ_041T_extFanMaxSP present-value readable again (unknown-object -> ok) 2026-07-09 17:13:17,093 INFO    [INFO] object_recovered analog-value:81378 B215081_TekniskAnlegg_Ventilasjon_S360_I116_IVZ_043T_splyFanMaxPV present-value readable again (unknown-object -> ok) 2026-07-09 17:13:17,110 INFO    [INFO] object_recovered analog-value:81359 B215081_TekniskAnlegg_Ventilasjon_S360_I112_IVZ_048T_extFanPressureSP present-value readable again (unknown-object -> ok) 2026-07-09 17:13:17,126 INFO    [INFO] object_recovered analog-value:81379 B215081_TekniskAnlegg_Ventilasjon_S360_I116_IVZ_043T_splyFanMaxSP present-value readable again (unknown-object -> ok) 2026-07-09 21:24:23,207 ERROR   [CRITICAL] object_went_bad analog-value:80636 B215081_81_06AN182_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 21:24:23,216 ERROR   [CRITICAL] object_went_bad analog-value:80609 B215081_81_06AG182_ClimateID present-value: error(class=object,code=unknown-object) 2026-07-09 21:24:37,638 INFO    [INFO] object_recovered analog-value:80636 B215081_81_06AN182_ClimateID present-value readable again (unknown-object -> ok) 2026-07-09 21:24:37,648 INFO    [INFO] object_recovered analog-value:80609 B215081_81_06AG182_ClimateID present-value readable again (unknown-object -> ok)
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#2
If you have multiple LMs then make sure that each LM has a unique BACnet Device ID.
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