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Setting SCRIPTSTOP to “Yes” will request that the running script terminate in an orderly fashion. This may take several minutes depending on when the running script reaches a sensible breakpoint. It is important to use SCRIPTSTOP to halt a script (instead of hitting ctrl-c) because cleanup actions will be performed after a SCRIPTSTOP (e.g. turning off laps to preserve their lifetime).
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The agitator can be reenabled by simply setting the keyword to “Yes”. This should only be done by WMKO staff and should only be done if the agitator is fully functional. A broken or misbehaving agitator mechanism presents a significant danger to the science fibers.
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The cal source has likely been disabled for a reason. Reenabling it should only be done by WMKO staff with knowledge of why it was disabled in the first place.
SlewCal or Simultaneous Calibration Source is Wrong
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These two sources are set from the same place and are always kept to the same value using the kpfconfig.SIMULCALSOURCE keyword.
Solution
This value should only be changed by WMKO staff. The choice of calibration source is influenced by our desire to maintain the lifetime of the various lamps and calibration sources and by the need for warmup times on certain sources. This is not something the user should adjust, contact a WMKO Staff Astronomer if you feel it is set incorrectly.
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The detector has likely been disabled for a reason. Reenabling it should only be done by WMKO staff with knowledge of why it was disabled in the first place.
Detector Fails to Trigger Without Error
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Some combination of hardware and software is stuck.
Solution
Abort the existing HK exposure:
modify -s kpf_hk expose=abort
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Alternatively, the same action is available via the FWWM menu under KPF Troubleshooting Menu → KPF Trouble Recovery → Reset Ca HK Detector
Then restart the kpf_hk service:
kpf restart kpf_hk
Take test exposures to see if the system has recovered.
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If the system is still sticking after test exposures, power :
Power cycle the Andor Camera, and the HK Galil on power strip J, ports 1, 2, and 5
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, then restart kpf_hk again
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. This can be accomplished in one step using:
kpfPowerCycleCaHK
Alternatively, the same tool is available via the FWWM menu under KPF Troubleshooting Menu → KPF Trouble Recovery → Power Cycle Ca HK Detector
Exposure Meter in Error State
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Power cycle the camera on power port L3.
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Then restart kpf_expmeter1: kpf restart kpf_expmeter1Then do kpf restart kpf_expmeter
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