Troubleshooting
Observation
Possible cause
Recommended action
Cooling rate too slow.
Peltier assembly failed.
Run the Cycle Performance Test.
Temperature does not match
specified temperature.
Instrument may require
calibration.
Run the Temperature Verification Test.
Heating rate too slow.
Peltier failed.
Run the Cycle Performance Test.
Printing fails.
Printer was incorrectly
configured on instrument.
Make sure the printer IP address on the
instrument matches the IP address from the
system administrator.
Printer was not connected to
network.
Make sure the Ethernet cable is connected to
the printer.
Instrument was not connected
to network.
Make sure the Ethernet cable is connected to
the instrument.
Ethernet cable was faulty.
Use a new/different Ethernet cable.
Cycling time too long.
Peltier assembly failed.
Run the Cycle Performance Test.
When running on multiple
instruments, cannot see
instruments in the
Select
Instruments
screen.
Instrument(s) not connected to
network.
Make sure Ethernet cables are connected to the
instruments.
Switch powered off.
Make sure Ethernet cables are connected to the
network switch.
Ethernet cable was faulty.
Use a new/different Ethernet cable.
IP address conflicts.
Change the IP addresses on the instruments.
Allow Remote Runs setting in
Instrument Name screen set to
No.
In Instrument Name screen, change Allow
Remote Runs to Yes.
No screen display.
Blown fuse.
Check fuses.
Not connected to power source.
Make sure power cord is connected and power
switch is on.
Screen display is missing
characters or illegible.
LCD screen failed.
Request service.
Sample tubes melt during run.
Incompatible consumables
used.
Use recommended consumables (see
“Disposables”
Heated cover was too hot.
Run the Heated Cover Verification Test.
Sample block(s) was too hot.
Run the Heated Cover Verification Test.
Heated cover stuck.
Cam, platen, or cover assembly
malfunctioning.
Request service.
Heated cover not responsive.
Heated cover failed.
Run the Heated Cover Verification Test.
A
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Thermal Cycler User Guide
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