diff --git a/Trigger/TrigSteer/DecisionHandling/python/EmuStepProcessingConfig.py b/Trigger/TrigSteer/DecisionHandling/python/EmuStepProcessingConfig.py
index 70edfdc2265f1c3fdec4ec29d9772e0dd93d8c24..6283edb830230436993faeab209a5f383efd7632 100644
--- a/Trigger/TrigSteer/DecisionHandling/python/EmuStepProcessingConfig.py
+++ b/Trigger/TrigSteer/DecisionHandling/python/EmuStepProcessingConfig.py
@@ -330,22 +330,17 @@ def generateChainsManually():
                  makeChainStep("Step1_2muAs_empty", multiplicity=[]),
                  makeChainStep("Step2_2muAs",   [mu21, mu21], multiplicity=[1,1]) ])
             ]
-        # TODO not clear if this test is correct actually, restore when discussed
-        # from TriggerMenuMT.HLTMenuConfig.Menu.DictFromChainName import dictFromChainName
-        # from TriggerMenuMT.HLTMenuConfig.Menu.ChainDictTools import splitChainDictInLegs
-        #     # test change of  multiplicity 
-        # chainName = 'HLT_TestChain5_ev1_TestChain8_ev1_merge_L12EM3'
-        # cd = dictFromChainName(chainName )
-        # cdicts = splitChainDictInLegs(cd)
-        # import pprint
-        # pprint.pprint(cd)
-        # pprint.pprint(cdicts)
-
-        # CombChains += [  makeChain(name = chainName, L1Thresholds = ["EM3", "EM3"], ChainSteps=[
-        #         makeChainStep("Step1_em1merged", [el11], multiplicity = [1], chainDicts = [cdicts[0]] ),
-        #         makeChainStep("Step2_em1merged", [el21, el22], multiplicity = [1,1])
-        #         ]) 
-        #     ]
+        from TriggerMenuMT.HLTMenuConfig.Menu.DictFromChainName import dictFromChainName
+        from TriggerMenuMT.HLTMenuConfig.Menu.ChainDictTools import splitChainDictInLegs
+        # test change of  multiplicity 
+        chainName = 'HLT_TestChain5_ev1_TestChain8_ev1_merge_L12EM3'
+        cd = dictFromChainName(chainName )
+        cdicts = splitChainDictInLegs(cd)
+        CombChains += [  makeChain(name = chainName, L1Thresholds = ["EM3", "EM3"], ChainSteps=[
+                makeChainStep("Step1_em1merged", [el11], multiplicity = [1], chainDicts = [cdicts[0]] ),
+                makeChainStep("Step2_em1merged", [el21, el22], multiplicity = [1,1], chainDicts = cdicts)
+                ]) 
+            ]
 
 
         HLTChains += CombChains
diff --git a/Trigger/TrigSteer/DecisionHandling/share/emu_step_processing.ref b/Trigger/TrigSteer/DecisionHandling/share/emu_step_processing.ref
index 29d871177bbe8798b61f9d8add6c33b63a27c508..5a9f70e7ae9d56b7e2f19f128c0ecaa30645dc62 100644
--- a/Trigger/TrigSteer/DecisionHandling/share/emu_step_processing.ref
+++ b/Trigger/TrigSteer/DecisionHandling/share/emu_step_processing.ref
@@ -138,6 +138,9 @@ TrigSignatureMoni                                                 INFO -- #18202
 TrigSignatureMoni                                                 INFO HLT_TestChain5_ev1_TestChain8_ev1_L12EM3 #2709794009
 TrigSignatureMoni                                                 INFO -- #2709794009 Events         1          1          1          1          -          -          1          
 TrigSignatureMoni                                                 INFO -- #2709794009 Features                             4          4          -          -          
+TrigSignatureMoni                                                 INFO HLT_TestChain5_ev1_TestChain8_ev1_merge_L12EM3 #3022516030
+TrigSignatureMoni                                                 INFO -- #3022516030 Events         1          1          0          0          -          -          0          
+TrigSignatureMoni                                                 INFO -- #3022516030 Features                             2          0          -          -          
 TrigSignatureMoni                                                 INFO HLT_TestChain5_ev2_L1EM7 #1760405581
 TrigSignatureMoni                                                 INFO -- #1760405581 Events         0          0          0          0          -          -          0          
 TrigSignatureMoni                                                 INFO -- #1760405581 Features                             0          0          -          -          
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt b/Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt
index ed6f7f2d1de305b1376c26451a6860aef25e4004..ae14c72b0d83044c17844b4c808f3d0c34cac8eb 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt
+++ b/Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt
@@ -157,14 +157,6 @@ atlas_add_test( full_menu_cf
                 PROPERTIES TIMEOUT 500
                 POST_EXEC_SCRIPT nopost.sh )
                 
-file( REMOVE_RECURSE ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_LS2_emu_menu_DH )
-file( MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_LS2_emu_menu_DH )
-atlas_add_test( LS2_emu_menu_DH
-                SCRIPT test_emu_step_menu_processing.sh
-                PROPERTIES WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_LS2_emu_menu_DH
-                PROPERTIES TIMEOUT 500
-                POST_EXEC_SCRIPT nopost.sh )
-
 file( REMOVE_RECURSE ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_EventBuildingSequenceSetup )
 file( MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_EventBuildingSequenceSetup )
 atlas_add_test( EventBuildingSequenceSetup
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Jet/JetChainConfiguration.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Jet/JetChainConfiguration.py
index c26084f8187cb60499add1870a727d43efb634c0..9b4dc90aeb39afc20b923ba44e56de1847fe6c4b 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Jet/JetChainConfiguration.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Jet/JetChainConfiguration.py
@@ -154,7 +154,7 @@ class JetChainConfiguration(ChainConfigurationBase):
         threshold      = preselParts[1]
         chainPartName  = multiplicity+'j'+threshold if multiplicity != '1' else 'j'+threshold
         preselJetParts.update(
-            {'L1threshold': 'NOL1SEED',
+            {'L1threshold': 'J',
              'TLA': '',
              'addInfo': [],
              'bConfig': [],
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/HLTCFConfig.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/HLTCFConfig.py
index 6575340142d3ddf8e316eb3cffa150087a9f972c..a83ccf344f01ca81c05fe1f5378e7ecc481b6342 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/HLTCFConfig.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/HLTCFConfig.py
@@ -37,6 +37,7 @@ from TriggerMenuMT.HLTMenuConfig.Menu.HLTCFDot import  stepCF_DataFlow_to_dot, s
 from TriggerMenuMT.HLTMenuConfig.Menu.MenuComponentsNaming import CFNaming
 from AthenaCommon.Configurable import Configurable
 from AthenaCommon.CFElements import getSequenceChildren, isSequence, compName
+from L1Decoder.L1DecoderConfig import mapThresholdToL1DecisionCollection
 import re
 
 
@@ -392,8 +393,14 @@ def createDataFlow(chains, allDicts):
         lastDecisions = []
         for nstep, chainStep in enumerate( chain.steps ):
             log.debug("\n************* Start connecting step %d %s for chain %s", nstep+1, chainStep.name, chain.name)           
+            if nstep == 0:
+                if chainStep.stepDicts:
+                    filterInput = [ mapThresholdToL1DecisionCollection(p["chainParts"][0]["L1threshold"]) for p in chainStep.stepDicts]
+                else:
+                    filterInput = chain.L1decisions
+            else:
+                filterInput = lastDecisions
 
-            filterInput = chain.L1decisions if nstep == 0 else lastDecisions
             if len(filterInput) == 0 :
                 log.error("[createDataFlow] Filter for step %s has %d inputs! At least one is expected", chainStep.name, len(filterInput))
                 raise Exception("[createDataFlow] Cannot proceed, exiting.")
@@ -408,7 +415,7 @@ def createDataFlow(chains, allDicts):
                     log.error("Found  %d inputs to step %s having multiplicity %d", len(filterInput), chainStep.name, len(chainStep.multiplicity))
                     raise Exception("[createDataFlow] Cannot proceed, exiting.")
             
-            log.debug("Set Filter input: %s", filterInput)
+            log.debug("Set Filter input: %s while setting the chain: %s", filterInput, chain.name)
 
             
             # make one filter per step:
@@ -445,7 +452,7 @@ def createDataFlow(chains, allDicts):
             # add chains to the filter:
             chainLegs = chainStep.getChainLegs()
             if len(chainLegs) != len(filterInput):
-                log.error("[createDataFlow] chainlegs = %i differ from inputs=%i", len(chainLegs), len(filterInput))
+                log.error("[createDataFlow] lengths of chainlegs = %s differ from inputs=%s", str(chainLegs), str(filterInput))
                 raise Exception("[createDataFlow] Cannot proceed, exiting.")
             for finput, leg in zip(filterInput, chainLegs):
                 sequenceFilter.addChain(leg, finput)
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuComponents.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuComponents.py
index d4bf12d89a72b4d6d7013d24cd3485508ffeec67..1140c146160ea642e15da4ba6bffd9325dad5f93 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuComponents.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuComponents.py
@@ -8,6 +8,8 @@ from TriggerMenuMT.HLTMenuConfig.Menu.MenuComponentsNaming import CFNaming
 from AthenaCommon.CFElements import parOR, seqAND, compName, getProp
 from DecisionHandling.DecisionHandlingConfig import ComboHypoCfg
 from AthenaConfiguration.ComponentFactory import CompFactory
+from L1Decoder.L1DecoderConfig import mapThresholdToL1DecisionCollection
+
 RoRSeqFilter=CompFactory.RoRSeqFilter
 PassFilter = CompFactory.PassFilter
 
@@ -584,7 +586,6 @@ class Chain(object):
         self.vseeds=L1Thresholds
 
 
-        from L1Decoder.L1DecoderConfig import mapThresholdToL1DecisionCollection
         # L1decisions are used to set the seed type (EM, MU,JET), removing the actual threshold
         # in practice it is the L1Decoder Decision output
         self.L1decisions = [ mapThresholdToL1DecisionCollection(stri) for stri in L1Thresholds]
@@ -674,14 +675,7 @@ class Chain(object):
             return
 
         for step in self.steps:
-             # TODO: make  this as an error  when exceptions are handled
-            if len(self.L1decisions) != len(step.sequences) and not step.isEmpty:
-                log.error("setSeedsToSequences: found %d L1seeds and %d sequences in chain %s  step  %s: is this correct?", len(self.L1decisions), len(step.sequences),self.name, step.name)
-                raise RuntimeError("[setSeedsToSequences] L1 seeding issue")
-            for seed, seq in zip(self.L1decisions, step.sequences):
-                    seq.setSeed( seed )
-                    log.debug( "setSeedsToSequences: Chain %s adding seed %s to sequence in step %s", self.name, seed, step.name )
-
+            step.setSeedsToSequences()
     
     def createHypoTools(self):
         """ This is extrapolating the hypotool configuration from the chain name"""
@@ -895,6 +889,12 @@ class ChainStep(object):
             return list(self.combo.getChains())
         return self.getChainLegs()
 
+    def setSeedsToSequences(self):
+        for seed, seq in zip( [d["chainParts"][0]["L1threshold"] for d in self.stepDicts], self.sequences):
+            l1Collection = mapThresholdToL1DecisionCollection(seed)
+            seq.setSeed( l1Collection )
+            log.debug( "setSeedsToSequences: ChainStep %s adding seed %s to sequence %s", self.name, l1Collection, seq.name )
+
     def __repr__(self):
         if len(self.sequences) == 0:
             return "--- ChainStep %s ---\n is Empty, ChainDict = %s "%(self.name,  ' '.join(map(str, [dic['chainName'] for dic in self.stepDicts])) )