ThermoFisher Scientific 43iQHL, Instruction Manual

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Thermo Scientific 43iQHL Instruction Manual 6-1
Chapter 6
Troubleshooting
This chapter presents guidelines for diagnosing analyzer failures, isolating
faults, and includes recommended actions for restoring proper operation.
Read the safety precautions in Appendix A, “ Safety ” before performing any
actions listed in this chapter.
Table 6–1 provides general troubleshooting information for the common
platform and indicates the checks that you should perform if you
experience an instrument problem. It also lists 43iQHL specific
troubleshooting information and alarm messages you may see on the
graphics display and provides recommendations about how to resolve the
alarm condition.
Table 6–1. 43iQHL Troubleshooting Guide
Problem Possible Cause Action
Instrument does not start
(LEDs on front panel do not
come on and display is
blank) No power Verify that the power cord is
plugged in, power is available and
that it matches the voltage and
frequency configuration of the
instrument.
Fuse is blown or
missing Disconnect power and check fuses
with a volt meter.
Bad switch or wiring
connection to switch Check for 24V @ J9 on the
Backplane board (middle pins).
Check all wiring connections.
Front panel display does
not start (LEDs on front
panel are off) Disconnected ribbon
cable Power down and evaluate
connections of display ribbon
cable.
Front panel display does
not start (LEDs on front
panel are on) Defective Display Connect to the instrument using
ePort. Select “Remote Interface”. If
normal GUI is displayed, replace
defective display.
Front panel display stays
white after power up (LEDs
on front panel are on) Unseated or missing
Micro SD card Power off, re-seat Micro SD or
install if missing.
Safety Precautions
Troubleshooting
Guide