R&S RT-ZC31 User Manual page 40

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R&S RT-ZC31
Error state
All LEDs blink rapidly.
No LEDs light up.
User Manual 1801.4949.02 ─ 01
Troubleshooting
LED Display Errors
Meaning
Checksum error
An internal CPU malfunction (checksum
error) has occurred. Send it to the ser-
vice center for repair.
Malfunction
The device has malfunctioned. Send it
to the service center for repair.
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