Self-Test
R&S
®
TS-PSU12
38
User Manual 1504.4524.12 ─ 05
8 Self-Test
The Power Supply/Load Module 12V R&S TS-PSU12 has an integrated capability for
self-test. The following tests are implemented:
●
LED test
●
Power on test
●
TSVP self-test
8.1 LED Test
After power-on, all three LED's light up for around three seconds to indicate that the
5
V supply is present and all LED's are working. The following statements can be made
about the different LED states:
Table 8-1: Statements about the LED Test
LED
Description
One LED does not
light up
Hardware problem on the module
LED faulty
No LED's light up
No +5 V supply
8.2 Power on test
The power on test runs in parallel to the LED test. The following observations may be
made about the different display states of the LEDs:
Table 8-2: Observations about the power on test
LED
Description
PWR LED (green) on
All power supply voltages are present
PWR LED (green) off
At least one power supply voltage is missing
ERR LED (red) off
No error is present
ERR LED (red) Is lit or flashing
Hardware error is present (processor is not starting)
CH1 LED (yellow) off
No error is present
CH1 LED (yellow) flashing*
Channel has been deactivated because of an error
(the PSU-AC/DC converter is possibly not be turned
on).
CH2 LED (yellow) off
No error is present
CH2 LED (yellow) flashing*
Channel has been deactivated because of an error
(the PSU-AC/DC converter may not be turned on).
Power on test