Siemens MOBILETT Plus Service Instructions Manual page 10

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Measure the capacitor bank voltage on the bus bar (Fig. 3).
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If one of the capacitor series of the capacitor bank is still charged (U > 10 V), it can be
discharged via resistor R103 on D7.
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Connect the voltmeter to the measurement points parallel to the insulated cables which
will be used to discharge the capacitor bank (U < 10 V) (Fig. 4).
MOBILETT Plus/ Plus E SPR8-215.898.02
Rev. 01 01.02
Page 6 of 6 Siemens-Elema AB
SPS-UD
General
Solna, Sweden