Siemens MOBILETT Plus Service Instructions Manual

Also see for 3200 Series: Operator Interface Guide Manual

Display messages 2 - 5Siemens-Elema AB SPR8-215.898.02 Page 5 of 22 MOBILETT Plus/ Plus ESolna, Sweden Rev. 01 01.02 SPS-UDCAL 7 DuringexposureThe exposure time istoo long.The maximum exposure time is 2 s.• The exposure is normallyinterrupted earlier by "Err 5".• Check the capacitance in thecapacitor bank, refer to section"P03 - Capacitor bank andcharging test".• Check the filament heating, refer tosection "P01 - Filament test".• Check the tube current inmeasuring point "MAPOS" on D1,see page 140 and 141.• Check the current to the singletank, see section "Error diagnosisHT and single tank".Err 9 DuringexposureWhen measuring thekV value, a largehigh tension asym-metry is detected.Normally the kV value is symmetricaround ground. The acceptable devi-ation is ± 19.5 kV. This correspondsto HTD 2.5 V± 0.5 V.• Intermittent measurement cablesor defective single tank.• Check the measurement cable K9between D1 and the single tank,refer to page 140**.• Check the current to the singletank, refer to the section "Errordiagnosis HT and single tank".• Measure the HTD signal on D1 andcompare it with notes and curveson page 140 and 141**.Dis-playedmessagesMode ofoperation Cause Possible reasons and advice* See section "Monitoring the kV- and mA-controls"** Wiring diagram X037ETab. 1