Thermo Scientific PARTISOL 2000, Service Manual

Page: 27 / 96

Revision
B.000
Service
Manual,
Partisol
Model
2000
Air
Sampler
S
ECTION
2
: T
ROUBLESHOOTING
G
UIDES
P
AGE
2-19
2.2.11.
U
SER
A
NALOG
O
UTPUT
T
ROUBLESHOOTING
F
LOW
C
HART
Refer to Appendix C of the
Operating Manual for
wiring the analog outputs
Is the
analog output wired
properly?
No Correct the wiring error
Yes
Go to the setup screen and
ensure the desired analog
output type ("Flow" or "Stat")
has been set.
Yes
No
Correct analog output setting.
Analog output
type set correctly?
Perform a system
reset.
Resume normal
operation.
Call R&P.
Place the leads of a
multimeter across test
points PWM1 (green) and
AGND (black) on the
interface board.
Problem
corrected?
Replace cable
R&P P/N 51-005915
User analog output
errors
Yes
No
Continuity OK? Yes
USER ANALOG OUTPUT TROUBLESHOOTING FLOW CHART
No
Voltage = 0.5 V? No Yes
Go to the setup screen
and set the analog
output type to "STAT. "
Return to the main
screen and press
<F4:Run/Stp> to
place the
instrument into run
mode.
Begin sampling by
pressing <Shift>
followed by
<F6:Hub1>.
Voltage = 1.0 V?
Yes
Check continuity between
the user output connector on
the back of the enclosure
(P51) and the interface
board (P18) (see note 1).
Set run type to
manual on setup
screen.
Ensure the instrument is in the
stop operating mode.If not,
return to the main screen and
press <F4:Run/Stp>
No
Note:
1.Pins for continuity check of cable P51 to P18:
P51 P18
Pin 1 -----
Pin 2 Pin 9
Pin 3 Pin 10
Pin 4 -----
Replace interface/CPU
board assembly
R&P P/N 50-005496
& 10-002407