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Chapter 6
|
Troubleshooting
6-2
|
Precision
Checklist
Bath will not start or shuts down
•
Check display for error messages.
•
Ensure
wasn't accidently pressed.
•
Ensure the circuit protector is in the on ( I ) position.
•
Check the line cord connection to your power supply and at the bath.
•
Make sure supply voltage is connected and matches the bath's nameplate rating ±10%.
•
Restart the bath.
No display
•
Pressing
should return the display.
•
Cycle the bath's circuit protector.
Inadequate temperature control
•
Verify the set point.
•
Low-end temperature set points require supplemental cooling.
•
GP 02 baths require insulation, especially in the lid, for operation above 90°C.
•
Ensure bath installation complies with the site requirements in Chapter 3.
•
Make sure supply voltage matches bath's nameplate rating ±10%.
Poor stability/uniformity
•
GP bath reservoirs can be filled with thermal beads instead of water. When using beads ensure
the bead mode is selected, when using water ensure the bead mode is not selected.
Please contact Thermo Fisher Scientific Sales Service and Customer Support if you need any
additional information, see inside cover for contact instructions.
Thermo Scientific
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