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
40
R ANGER -X5 R ADAR S YSTEM
T
ROUBLESHOOTING
,
M
AINTENANCE
,
AND
C
ALIBRATION
EEC
®
|
C
OMPANY
P
ROPRIETARY
8. Step 5:
Reinstall in reverse order of Steps 1-4.
Calibration:
None
2.1.3.1.3. Cold Plate, Weatherized (Unit 2 A1 A3 A1 A4)
Troubleshooting:
EEC-135540-101 Sheet 1 of 3
Sheet 3 of 3
SD-135953-100 or -101 Sheet 1 of 4
1. Step 1 (Power):
Using a voltmeter, measure the DC Voltage at the Terminal Block (TB1) in the Plenum
Assembly (Pin 7 and 8) for the Cold Plate and (Pin 9 and 10) for the Temperature
Controller (Unit 2 A1 A3 A1 A6). It Power Present?
YES: Continue to Step 2.
NO: Troubleshoot the 24VDC Power System.
2. Step 2 (Power):
Using a voltmeter, measure the DC Voltage at the input for the Cold Plate and
Temperature Controller (Unit 2 A1 A3 A1 A6). It Power Present?
YES: Continue to Step 3.
NO: Troubleshoot the Temperature Controller (Unit 2 A1 A3 A1 A6).
3. Step 3 (Temperature Controller):
Check the output power on the Temperature Controller. It Power Present?
YES: Continue to Step 4.
NO: Replace the Temperature Controller (Unit 2 A1 A3 A1 A6) and continue
Troubleshooting.
4. Step 4 (Fan)
Is the Fan operating?
YES: Go to Step 5.
NO: Replace the fan.
5. Step 5 (Cold Plate)
Is the Cold Plate operating?
YES: End process.