Campbell Scientific PVS4151C PVS4100/4120/4150 Portable Automatic Samplers - Page 36

Test Procedure, 3.5 Troubleshooting, POWER ON BUT PUMP WILL NOT START

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Section 3. Operation 3.4 Test Procedure 1. Set volume control tube to 200 cc. 2. Set level probe 1" above bottom of volume control tube. 3. Turn on power. Place the "RUN/OFF" switch in the "RUN" position. After an initial delay of 15 to 20 seconds, the display will show a two line message, the top line displaying SAMPLER HALTED and an alternating message on the second line displaying why the sampling procedure was interrupted as well as the event time and date. 4. Enter the following sampling program: a) Set purge time to 10 seconds. See OTHER OPTIONS b) Set interval time to 2 minutes. See SAMPLE INITIATION c) Set program type to composite. See PROGRAM TYPE d) Set to terminate after 2 samples. e) Press RESTART, RESTART (to confirm) 5. View the following displays: a) Samples taken - should read 0 b) Remaining time - should be counting down from 2 minutes. 6. Sampling should begin when remaining time indicator reaches 0. 7. Upon completion of sample, view the following displays: a) Samples taken - should read 1. b) Remaining time - should be counting down from 5 minutes. 8. Press MANUAL PURGE. Press again to confirm. 9. Press MANUAL ADVANCE. Press again to confirm. 10. Press MANUAL SAMPLE. Press again to confirm. 11. If equipped with sample container full option, short circuit level probes in container (no dangerous voltage present - 16 Vdc). The message "SAMPLER HALTED External Stop" should appear on the display, the bottom line flashing. 12. Press RESTART, RESTART, the message "RESTART " should appear on the display. 3.5 Troubleshooting SAMPLER INOPERATIVE: Check supply voltage. POWER ON BUT PUMP WILL NOT START: Check wiring from sampler controller to pump. Ensure controller is properly connected into harness. a) Pump defective. b) Sampler controller defective. 3-6

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Section 3.
Operation
3-6
3.4 Test Procedure
1.
Set volume control tube to 200 cc.
2.
Set level probe 1” above bottom of volume control tube.
3.
Turn on power. Place the “RUN/OFF” switch in the “RUN” position.
After an initial delay of 15 to 20 seconds, the display will show a two line
message, the top line displaying
SAMPLER HALTED
and an alternating
message on the second line displaying why the sampling procedure was
interrupted as well as the event time and date.
4.
Enter the following sampling program:
a) Set purge time to 10 seconds.
See
OTHER OPTIONS
b) Set interval time to 2 minutes.
See
SAMPLE INITIATION
c) Set program type to composite. See
PROGRAM TYPE
d) Set to terminate after 2 samples.
e) Press
RESTART
,
RESTART
(to confirm)
5.
View the following displays:
a) Samples taken
- should read 0
b) Remaining time
- should be counting down from 2 minutes.
6.
Sampling should begin when remaining time indicator reaches 0.
7.
Upon completion of sample, view the following displays:
a) Samples taken
- should read 1.
b) Remaining time
- should be counting down from 5 minutes.
8.
Press
MANUAL PURGE
. Press again to confirm.
9.
Press
MANUAL ADVANCE
. Press again to confirm.
10.
Press
MANUAL SAMPLE
. Press again to confirm.
11.
If equipped with sample container full option, short circuit level probes in
container (no dangerous voltage present - 16 Vdc). The message
“SAMPLER HALTED External Stop” should appear on the display, the
bottom line flashing.
12.
Press
RESTART, RESTART
, the message “RESTART <Completed>”
should appear on the display.
3.5 Troubleshooting
SAMPLER INOPERATIVE:
Check supply voltage.
POWER ON BUT PUMP WILL NOT START:
Check wiring from
sampler controller to pump. Ensure controller is properly connected
into harness.
a) Pump defective.
b) Sampler controller defective.