Bio-Rad Model 550, Ultramark, and Benchmark Microplate Reader Accessories - Manual (Page 22)

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Error Message Probable Cause Recommended Solution
Xe flash The Xenon Lamp did not flash. If this occurs only a few times a year,
it is no problem.
Hi-Voltage power supply
damaged. Contact Bio-Rad.
Xenon Flash Lamp damaged. Contact Bio-Rad.
Gain Mes-1 Measuring electronics
damaged. Contact Bio-Rad.
Analog offset voltage is too
high. Contact Bio-Rad.
Gain Mes-2 Selected filter is not installed. Install filter.
Measuring electronics
damaged. Contact Bio-Rad.
Gain Mes-3 Xenon Flash Lamp damaged. Contact Bio-Rad.
Measuring electronics
damaged. Contact Bio-Rad.
Optical Block is out of the
starting point. Contact Bio-Rad.
Lenses and Mirrors may be
dirty. Contact Bio-Rad.
Gain Ref-1 Measuring electronics
damaged. Contact Bio-Rad.
Analog offset voltage is too
high. Contact Bio-Rad.
Gain Ref- Measuring electronics
damaged. Contact Bio-Rad.
Gain Ref-3 Xenon Flash Lamp damaged. Contact Bio-Rad.
Measuring electronics
damaged. Contact Bio-Rad.
Lenses and Mirrors may be
dirty. Contact Bio-Rad.
A/D Mes. Malfunction of A/D converter. Contact Bio-Rad.
A/D Incu Malfunction of A/D converter. Contact Bio-Rad.
EEPROM EEPROM chip trouble. Contact Bio-Rad.