Rohde & Schwarz M3SR Series 4100 - Troubleshooting; Visual Inspection; Troubleshooting with Built-in Tests Results

Troubleshooting R&S M3SR Series 4100 HF Transceivers
4.1 6124.9007.82.01
4 Troubleshooting
4.1 Visual Inspection
CAUTION
If a connector shows any discoloration caused by heat, its mating connector is also
defective and must also be replaced.
Check the following:
1. Check the external wiring between the transceiver and the external equipment.
2. Check if all connectors are plugged in firmly.
3. Check the power supply cable and the RF coaxial cables at the rear for mechanical damage.
If necessary, replace cables by new ones one by one until the defective connection has been found.
4.2 Troubleshooting
4.2.1 Troubleshooting with Built-in Tests Results
The following table (Table 4.1) lists all error messages concerning the R&S M3SR Series 4100
150 W HF Tranceivers, which can occur while performing the built-in tests according to 3.2 - Function
Test with Built-in Tests.
If an error message occurs:
 Switch the transceiver off and on again.
 Perform the built-in tests again.
 If the error message remains stable, replace the appropriate module(s) / device(s) according to
5.1 - Disassembly and perform the built-in tests again.