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Biodex Medical Systems, Inc. © 2016 197
Detector Error Code Descriptions
Code 2, Firmware Checksum
FAIL - The detector’s firmware has a checksum pre-calculated and stored, and it’s verified during
detector power up. This error indicates the checksum calculated failed to match the checksum
stored. Continuing to operate the detector would be at risk. The detector should be serviced.
Code 3, Electrometer Needs Recalibration
FAIL - On start-up, this error code is set if any of the following numbers don’t exist or fail a
sanity check:
- Activity calibration factor
- ump, ubp (factors for linearity corrections for higher gains)
- monitor channel scaling factor
- any of the four linearity correction constants
The detector should be serviced.
Code 4, Eeprom Data Corrupt
Fail - The detector’s stored data has a checksum pre-calculated and stored, and it’s verified
during detector power up. This error indicates the checksum calculated failed to match the
checksum stored for the appropriate stored data. Continuing to operate the detector would be
at risk. The detector should be serviced.
Code 5, Detector Gas Low, Correctable
WARNING - If grams of argon drops more than 5% of the initial factory measured value, this
error code is set. There is no correction done when this error code is active.
Code 6, Detector Gas Too Low To Use
Fail - If the grams of argon drops more than 10% of the initial factory measured value, this error code
is set. there is no correction done when this error code is active. The detector should be serviced.
Code 7, Communications Error
Fail - This error code is set when repeated attempts of the display unit to communicate with a
detector failed. Once this error code is set, the display unit will no longer attempt to
communicate with the detector. This could be caused from a bad detector or a bad or
disconnected cable between the detector and the display unit.
Code 8, Detector Bias Voltage Anomaly
Fail - Detector voltage bias must be out of the range of 325V – 375V for this error code to be
set. The detector should be serviced.
Code 9, Electrometer Monitor Voltage Anomaly
Fail - Electrometer voltage must be out of the range of 2.375V - 2.55V for this error code to be
set. The detector should be serviced.
Code 10, Overrange Detector Reading (Too High)
WARNING - The detected detector activity reading has exceeded the capability of what the
detector can accurately measure. This error code should be only temporary, for the time a very high
reading is being measured. If this occurs without an explainable cause, the detector may be faulty
and should be serviced.
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