Bio-Tek ELx405, Operator'S Manual

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| Appendix A: Troubleshooting
Overview
Every effort has been made to ensure that the ELx405

Microplate Washer is
extremely reliable and easy to use. Nevertheless, you could experience problems with
the washer hardware, software, and/or accessories. This appendix offers the following
information to help resolve these problems.
The
Troubleshooting Checklist
below is a concise summary of possible causes for
many of the problems that may occur during operation of the washer.
The
Troubleshooting Charts
on the following pages provide detailed lists of
problems, their possible causes, and possible solutions.
Troubleshooting Checklist
Periodic inspection of the washer, tubing, and bottles for the possible causes listed
below may help to eliminate many of the problems listed on the following pages.
Check for the following:
Loose or disconnected power cord, vacuum pump accessory cable,
waste/supply tubing and fittings
Incomplete or incorrect installation of manifold, carrier, High Flow
vacuum pump, external valve module; incorrect attachment of mist shield
or placement of microplates/ strips in carrier
Loose covers on waste or supply bottles
Accumulation of residue on microplate carrier, carrier transport rails
and carrier glide strips, or inside aspirate/dispense tubes, waste/supply
bottles and tubing, manifold, inlet/outlet fittings, or fluid inlet filter
Worn or defective tubing, o-rings, inlet/outlet fittings, manifold or
vacuum seals
Kinked or bent aspirate/dispense tubes or waste/supply tubing
Program settings not optimized or incorrect: aspiration/dispense
height too high/low, dispense flow rate too fast/slow for volume selected,
horizontal aspirate position programmed too wide for a movement, system
not primed or not adequately primed, insufficient vacuum dissipation
delay, incorrect manifold selected (HT models with the accessory 96-tube
manifold, including Select models upgraded to HT models)
Bio-Tek Instruments, Inc.