Troubleshooting
R&S
®
RT-ZC31
40User Manual 1801.4949.02 ─ 01
Error state Meaning
All LEDs blink rapidly. Checksum error
An internal CPU malfunction (checksum
error) has occurred. Send it to the ser-
vice center for repair.
No LEDs light up. Malfunction
The device has malfunctioned. Send it
to the service center for repair.
LED Display Errors