User's Manual Part 1

T ECHNICAL D OCUMENTATION P ROTECTING P EOPLE AND A SSETS
®
D ATE : 22 M ARCH 2017 | V ERSION : 1.4
38
R ANGER -X5 R ADAR S YSTEM
T
ROUBLESHOOTING
,
M
AINTENANCE
,
AND
C
ALIBRATION
EEC
®
|
C
OMPANY
P
ROPRIETARY
Maintenance:
1. Step 1:
Remove the cover from the Plenum Assembly by releasing the four quick-disconnect
latches and by loosening two Retaining Screws (see Figure 11), then remove the lid.
2. Step 2:
Disconnect all connectors and unplug the Ethernet cable.
3. Step 3:
Loosen and remove the two (2) Philips head screws holding the retaining bracket in
place.
4. Step 4:
Remove the Discrete I/O Unit from the Plenum Assembly.
5. Step 5:
Reinstall in reverse order of Steps 1-4.
Calibration:
None
2.1.3.1.2.2. Ethernet 12-Channel Analog I/O Module (Unit 2 A1 A3 A1 A3 A2)
Troubleshooting:
SD-135964-100 Sheet 1 of 1
SD-135953-100 or -101 Sheet 3 of 4
4. Step 1 (Power):
Using a voltmeter, measure the DC Voltage the Analog I/O Module (+24VDC) at Pin 31
and Pin 32. Is power present?
YES: Continue to Step 2.
NO: Troubleshoot the 24VDC Power System.
5. Step 2 (Communication):
Is the Ethernet connection working properly? Check the connection to the Ethernet
Switch (See Paragraph 2.1.3.1.4).
YES: Continue to Step 3.
NO: Troubleshoot the Ethernet connection.