User Analog Output Troubleshooting Flow Chart - Thermo Scientific PARTISOL 2000 Service Manual

User analog output
Note:
errors
1. Pins for continuity check of cable P51 to P18:
Refer to Appendix C of the
Operating Manual for
wiring the analog outputs
Is the
analog output wired No Correct the wiring error
properly?
Yes
Go to the setup screen and
ensure the desired analog
output type ("Flow" or "Stat")
has been set.
Analog output Perform a system
Yes
type set correctly? reset.
No
Problem
Correct analog output setting.
corrected?
Yes
Resume normal
operation.

USER ANALOG OUTPUT TROUBLESHOOTING FLOW CHART

P51 P18
Pin 1 -----
Pin 2 Pin 9
Pin 3 Pin 10
Pin 4 -----
Ensure the instrument is in the
stop operating mode. If not,
No
return to the main screen and
press <F4:Run/Stp>
Replace cable
Yes Continuity OK?
R&P P/N 51-005915
Check continuity between
the user output connector on
the back of the enclosure
(P51) and the interface
board (P18) (see note 1).
Voltage = 1.0 V?
No
Replace interface/CPU
board assembly
No Voltage = 0.5 V?
R&P P/N 50-005496
& 10-002407
Set run type to
manual on setup
Place the leads of a
multimeter across test Go to the setup screen
points PWM1 (green) and and set the analog
AGND (black) on the output type to "STAT."
interface board.
No Call R&P.
Yes
Begin sampling by
pressing <Shift>
followed by
<F6:Hub1>.
Return to the main
screen and press
<F4:Run/Stp> to
Yes
place the
instrument into run
mode.
screen.