Instrument tour
R&S
®
ZCxxx
17
Getting Started 1177.5156.02 ─ 05
Figure 4-4: Rear view of the frequency converter
4.3.1
Power supply connector and status LED
To supply the R&S
ZCxxx with power, connect it to the external
DC power supply R&S
ZCPS. Always switch the power supply off
before removing the DC cable. For details, see the User Manual of
the R&S
ZCPS.
The following table lists all possible colors of the converter LED,
along with their associated error condition:
Table 4-1: R&S
ZCPS LED colors and error conditions
Color
Error conditions
green
No error.
yellow
At least one fan is not working properly (rotational speed is out of range or
fan stands still).
orange
Temperature is out of range. If it exceeds a critical level, the power supply is
switched off.
red
At least one supply voltage is out of range or missing.
Rear panel
