Troubleshooting
Board-Level Connection Diagram
Thermo Fisher Scientific
Partisol 2000
i
and Partisol 2000
i
-D Instruction Manual
11-3
Table 11–2.
Troubleshooting Guide
Malfunction
Possible Cause
Action
Does not start
(The display does not
illuminate, light on power
switch does come On, and the
pump motor is not running.)
No power or
wrong power
configuration
Check the line to confirm that power is
available and that it matches the
voltage and frequency configuration of
the instrument.
Main fuses blown
or missing
Unplug the power cord, open the fuse
drawer on the back panel, and check
the fuses visually or with a
multimeter. Replace fuses as
necessary.
Bad switch or
wiring connection
Unplug the power cord, disconnect the
switch and check operation with a
multimeter. Replace switch as
necessary.
Display does not come on -
light on power switch does
come On.
DC power supply
failure
Check the green LED on the back edge
of the power supply. If the LED is off,
the power supply failed.
Display failure
If possible, check instrument function
through RS-232 or Ethernet.
Reboot
instrument.
Ribbon cable
disconnected
Check ribbon cable on side of display
board.
Figure 11–1
and
Figure 11–2
can be used along with the connector pin
descriptions in
Table 11–3
through
Table 11–6
to troubleshoot board-level
faults.
Board-Level
Connection Diagram
