only one of the two ion pumps stop

11:24:11.680575 .hub 0 cmds d CmdIn="client.pfs","xcu_r1","ionpump off"
11:24:11.681245 .hub 0 cmds d CmdQueued=538671,1484220251.68,"client.pfs",340,"xcu_r1",48,"ionpump off"
11:24:12.406652 client.pfs 340 xcu_r1 i ionPump1=0,7000,9.7e-05,45,1.5e-07
11:24:13.253002 client.pfs 340 xcu_r1 i ionPump2=0,0,0,47,0
11:24:13.253767 client.pfs 340 xcu_r1 :
11:24:13.254290 .hub 0 cmds d CmdDone=538671,":"

Only one pump stopped so we re-sent the command

11:24:22.655899 .hub 0 cmds d CmdIn="client.pfs","xcu_r1","ionpump off"
11:24:22.656650 .hub 0 cmds d CmdQueued=538686,1484220262.65,"client.pfs",341,"xcu_r1",49,"ionpump off"
11:24:25.353545 client.pfs 341 xcu_r1 i ionPump1=0,0,0,45,0
11:24:26.039213 client.pfs 341 xcu_r1 i ionPump2=0,0,0,47,0
11:24:26.039967 client.pfs 341 xcu_r1 :
11:24:26.040544 .hub 0 cmds d CmdDone=538686,":"

the second command stops the the second ion pump