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R & S E K 8 9 5 / R & S E K 8 9 6
User Manual
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Troubleshooting with Control Unit 1
4.2.3 Troubleshooting with Control Unit 1 ∫REMOTE∫ (R&S EK 895 only)
By switching on the VLF>HF receiver the pri>
mary current circuit is closed.
The LED ON is illuminated to indicate that the
power supply is functioning properly (Æ CM in>
dication).
Æ LED ON is illuminated.
If the LED is not illuminated,
f but otherwise the receiver operates im>
peccably, send the power supply module
for repair as soon as possible (Æ LED de>
fective).
f check fuse and replace, if necessary. For
this purpose undo fuse holder.
f check cabling on interface X67. If ne>
cessary, close open connection or replace
mains cable.
f replace power supply module acc. to 4.3.8.
Upon switching on the receiver, the entire
RAM contents are automatically checked (Æ
initialization). Unpermitted settings are re>
placed by a default value. If overwriting with a
default value takes place in a channel, this
channel is additionally inhibited.
Inhibited channels cannot be called up in the
operating mode CHANNEL SCANNING. Via the
channel manipulation menu, reactivation of in>
hibited channels is possible.
EIN
.
ON
Fuse:
100 / 120 V: IEC127 > T1.25/250 V
220 / 240 V: IEC127 > T630/250 V
6164.0717.02_01
> 4.15 >
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