11
Blank Display
If the display is blank (dark), disconnect the equipment from mains, open the
housing and disconnect all cables and wires from the subassemblies.
Then connect the equipment to power again through an isolating transformer and
connect all subassemblies again, measuring the supply voltage in each case.
– The voltage at the power supply output (connector A; see page 12) is
15V ± 0.3 V direct current.
– The output voltages of the DC/DC converter are listed on page 13.
Replacing the Power Cable
– Disconnect the cable from the power source.
– Open the housing.
– Replace the cable
Note:
After replacing the power cable, use
a torque wrench to tighten the cable
gland to
3 Nm3 Nm
3 Nm3 Nm
3 Nm.
pg_netz.jpg
Repairing the Midrics Indicator
AUT23977a.JPG
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