Bruker BPHG 90 - Troubleshooting Common Issues; Troubleshooting Guide

Troubleshooting
Z33081_00_001 55
8 Troubleshooting
Thefollowingtablelistpotentialproblemsandindicatespossiblecausesandremedies.
Problem Cause Remedy
HighH
2
gasalarm. Internalhydrogengasleak. Shutoffthehydrogen
supplyandcontactBruker
service.
Hydrogengassensor
failure.
ContactBrukerservice.
Controlelectronicsfailure. ContactBrukerservice.
Maindisplaydoesnotcome
on.
Rearpowerswitchisnot
on.
Switchontherearpower
switch(sectionMains Power
Connection [}39]).
Mainsfusesareblown. Replacethelinefuseswith
thesamefusetype(section
Fuses Replacement [}60]).
Controllerordisplayfailure. ContactBrukerservice.
Systemcheckdoesnotpass. Thehydrogeninlet
pressureisoutofrange.
Adjusttheinletpressure.
Lowcoolantlevelin
reservoir.
Fillthecoolant(section
Cryocooler Coolant Circuit [}
58]).
Allothersystemcheck
failures.
ContactBrukerservice.
Nocoolantflowdetected. Coolantpumpfailure. ContactBrukerservice.
Coolantflowsensorfailure. ContactBrukerservice.
Cryocoolerdoesnotstart. Cryocoolerfuseblown. Checkorreplacethe
cryocoolerfuse(seeWarm
Up [}53]).
Cryocoolerpowersupply
failure.
ContactBrukerservice.
Cannotreachthetarget
conversiontemperature.
Poorvacuumincryostat. Executeawarmup(section
Warm Up [}53]),thena
purge(Purge Function [}48]
).Iftheproblempersists,
contactBrukerservice.
Conversionchamber
temperaturesensorfailure.
ContactBrukerservice.
Cryocoolerfailure. ContactBrukerservice.
Coolanttemperatureistoo
high.
Cryocooleroverheating. ContactBrukerservice.