Difference between revisions of "Jimenez Lab Troubleshooting"
From Jimenez Group Wiki
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* If you have no signal | * If you have no signal | ||
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** If you have some ions | ** If you have some ions | ||
*** Check the single ion with bitwise, this tests whether the MCP could be damaged | *** Check the single ion with bitwise, this tests whether the MCP could be damaged | ||
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=Gilibrator= | =Gilibrator= | ||
Revision as of 18:14, 13 November 2009
ToF-AMS
- If you have no signal
- Check all the connections
- Check whether you see the pulser pickup when plugging the signal into an oscilloscope
- If yes, the pulsers and preamplifier are working
- If not, it could be: (a) lack of power for the preamp; (b) damaged preamp; (c) damaged pulsers; (d) loose connection
- If you have some ions
- Check the single ion with bitwise, this tests whether the MCP could be damaged
Gilibrator
- Unit will not turn on
- remove flow cell
- open back cover
- unplug battery pack from main board
- plug in power supply
- If unit turns on battery pack is faulty, if unit does not turn on board is faulty.
- Ordering battery pack: Reis environmental 1.800.677.7347 p/n 700560
SMPS
- displayed sample flow > CPC flow
- Critical orifice in impactor is probably clogged
- remove impactor from SMPS and disconnect flow meter tubes
- remove and clean impactor plate
- carefully wash the critical orifice that's just upstream of the impactor plate
- dry throughly and reattach impactor
- Critical orifice in impactor is probably clogged
