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Troubleshooting | SRT LAN radar sensor S-band down-mast Service Manual
Step Check Yes No Corrective action
5
Power switch lighted √ Replace the SRT Control PCB
Open TXRX √
Led D1 “PWR” on SRT down adapter
lighted
√
Led D1 on SRT PWR-DC PCB lighted √
Led D2 on SRT PWR-DC PCB lighted √
6
Power switch lighted √ Check if the conditions of
the SRT Control PCB’s LEDs in
paragraph 0 are satisfied
Open TXRX √
Led D1 “PWR” on SRT down adapter
lighted
√
Led D1 on SRT PWR-DC PCB lighted √
Led D2 on SRT PWR-DC PCB lighted √
7
The condition at paragraph 0 are
satisfied
√ Call assistance service
√ Replace the SRT Control PCB
8
After SRT Control replacement, LED
D2 on SRT Power is lighted
√ See step 7
After SRT Control PCB replacement,
LED D2 on SRT PWR-DC PCB is lighted
√ Call assistance
Antenna failures
Antenna missing data
Step Check Yes No Corrective action
1 Check HL IN and AZ IN signal on the
SRT Control PCB
√ Check HL IN and AZ IN signal
on SRT down adapter
2
Check HL IN and AZ IN signal on the
SRT Control PCB
√
Problem external of TXRX
Check HL IN and AZ IN signal on the
SRT down adapter
√
3
Check HL IN and AZ IN signal on the
SRT Control PCB
√ Replace the cable that
connects the SRT down
adapter to the SRT Control
PCB
(or)
Replace SRT down adapter
(or)
Call assistance
Check HL IN and AZ IN signal on the
SRT down adapter
√
4
Check HL IN and AZ IN signal on SRT
Control PCB
√ Replace SRT Control PCB
Check HL OUT and AZ OUT signals on
SRT Control PCB
√
5
Check HL IN and AZ IN signal on SRT
Control PCB
√ Problem external of TXRX or
interconnection problem
Check HL OUT and AZ OUT signals on
SRT Control PCB
√
¼ Note: Follow the order of the steps for proper control of the system.