Bio-Rad PROTEAN® IEF Cell Accessories - Manual (Page 15)

Problem Cause Solution
3. Sample wicks The sample cups are For optimum performance use new
out of sample disposable. When re-using sample cups for each focusing run.
cups. the sample cups, salts
can build up in the
corners and provide a
capillary path for the
sample to travel.
4. Programmed Final combined conductivity Run at maximum attainable voltage for
max. voltage is of the IPG strip, sample, longer time to arrive at the required
not reached and rehydration buffer number of volt-hours.
with a current determines the maximum
limit of 50 µA attainable voltage. If possible, reduce the conductivity of
per strip. the rehydration buffer by reducing the
Bio-Lyte
® concentration.
Increase the current limit per strip.
However, higher current limits generate
more heat and increase the possibility of
burned regions in the IPG strips.
Section 6
Warranty
The Cup Loading Tray is warranted for 1 year against defects in materials and workmanship. If
any defects should occur during this warranty period, Bio-Rad Laboratories will replace the
defective parts without charge. However, the following defects are specifically excluded:
• Defects caused by improper operation
• Repairs or modifications performed by anyone other than Bio-Rad Laboratories or their
authorized agent
• Damage caused by accidental misuse
• Damage caused by disaster
• Common replacement parts including platinum wire
• Damage caused by use of organic solvents or basic detergents
For inquiries or to request repair service, contact your local Bio-Rad office.
Warranty information:
Model:
Catalog number:
Date of delivery:
Lot number:
Invoice number:
Purchase order number:
13