Service Information
7-2
10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440-466-6100 ● FAX 440-466-6110 ●
Troubleshooting
TEGAM’s RF Power Meters are designed and built to provide years of uninterrupted use. In the
event the instrument malfunctions or does not perform as expected, helpful troubleshooting
tips are provided below.
Figure 4
below lists some of the more common issues and their
resolutions.
Symptom
Description
Resolution
Error Message
on Display
“Low Voltage Detected on USB
Power Plug. Please Power Cycle”
Use USB port capable of supplying
at least 5V at 500 mA
Unexpected or
Erroneous
Measurement
Harmonics will register power
Filter harmonics or use a cleaner
source
Frequency outside of calibrated
range
Check certificate and ensure unit is
being operated within calibrated
frequency range
Power level outside of calibrated
range
Check certificate and ensure unit is
being operated within calibrated
frequency range
Unresponsive
RF power not applied to 5540A
input port
Check cables, connections, and
input source
Check orientation of 5540A input
and output ports
“Error Code 7”
response from
software
No frequency detected
Check that the signal source
output is ON
Figure 4: Common Troubleshooting Issues
Preparation for Calibration or Repair Service
Once you have verified that the cause of the malfunction cannot be solved in the field and the
need for repair and calibration service arises, contact TEGAM customer service to obtain an
RMA (Returned Material Authorization) number. You can contact TEGAM customer service via
the TEGAM website,
www.tegam.com
or by calling 440-466-6100 (
All Locations
) or 800-666-
1010 (
United States Only
).
The RMA number is unique to your instrument and will help us identify you instrument and to
address the particular service request by you which is assigned to that RMA number.
