Thermo Scientific PARTISOL 2000, Service Manual

Page: 16 / 96

Revision
B.000
Service
Manual,
Partisol
Model
2000
Air
Sampler
S
ECTION
2
: T
ROUBLESHOOTING
G
UIDES
P
AGE
2-8
DISPLAY TROUBLESHOOTING FLOW CHART-B
B
Note:
1.Pins for continuity check of cable P16A to P1:
P16A P1 P16A P1
Pin 1 Pin 1 Pin 12 Pin 12
Pin 2 Pin 2 Pin 13 Pin 13
Pin 3 Pin 3 Pin 14 Pin 14
Pin 5 Pin 5 Pin 15 Pin 15
Pin 6 Pin 6 Pin 16 Pin 16
Pin 7 Pin 7 Pin 17 Pin 17
Pin 8 Pin 8 Pin 18 Pin 18
Pin 9 Pin 9 Pin 19 Pin 19
Pin 10 Pin 1 Pin 20 Pin 20
Pin 11 Pin 11
Yes
No
Is pump still
running?
Yes
No
Is
electronics
compartment
temperature
> 2°C?
Place multimeter across
test point +24V (red) and
PGND (black) on interface
board.
Voltage =~
24V?
No
Yes
Perform system
reset.
Resume normal
operation.
Problem
corrected?
No
Yes
Place multimeter across
test point +6V (red) and
PGND (black) on interface
board.
Voltage =~ 6V?
Yes
No
Check the 4A fuse used
for the 24.5V@3.6A
voltage from
transformer
Fuse OK?
No
Check the 5A fuse used
for the 8.3V@5.4A
voltage from
transformer.
Fuse OK?
No
Yes
Original boards were
defective.
Replace interface/CPU board
assembly with known good one
R&P P/N 50-005496 & 10-002407
Problem
corrected?
No
Yes
Replace transformer
R&P P/N 03-002402
Place hand near (do NOT
touch!) the heater at the
top of the electronics
compartment.
Yes
No
Heat coming
from heater?
Wait for instrument to
warm up.
Perform system
reset.
Resume normal
operation.
Problem
corrected?
No
Yes
Contact R&P.
Check continuity
between the heater
terminals and P11 on
the interface board.
Continuity OK? No
Yes
Replace heater
R&P P/N 56-005909-0120
or 56-005909-0240
Replace fuse
R&P P/N 04-005510-0004
Replace fuse
R&P P/N 04-003681
Yes
Go to A
Replace interface/CPU
board assembly
R&P P/N 50-005496
& 10-002407