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Troubleshooting and Service
Troubleshooting
4
4-3
Explanation: The low battery annunciator is a reminder that while running on the battery, there is a
finite amount of energy available. For the battery in this instrument and the energy
consumption of the instrument, when the battery voltage drops below 5.9 volts there is
less than 30 minutes of operating time left.
Symptom: “Internal Reset Error” displayed.
Cause: Start of exposure detected during reset process.
Action: Stop the exposure. Press the RESET/MEASURE button. Wait for the “System Not RDY”
annunciator to extinguish. Start the exposure.
Explanation: The instrument measured a current above the start threshold while resetting the
electrometer. It is assumed that the exposure was started while the reset was occurring.
If the exposure did start during the reset, some unknown amount of charge was lost. The
lost charge would lead to an incorrect reading.
Symptom: “Configuration Error” displayed.
Cause: The instrument has lost the calibration or customization data.
Action: Convert the configuration error number to a binary value using a program such as the
Windows® Calculator and use the table below to determine the extent of the problem.
For example, a configuration error of “18” corresponds to a binary value of “10010” (bits 5
and 2 set), which indicates that the customization for both the ion chamber and settings
are invalid.
Bit Description Action
1
Operator settings are
invalid.
Select the proper settings
from the front panel.
2
Customization settings are
invalid.
Reinstall settings using the
Customization software.
3
Electrometer calibration
settings are invalid.
Do NOT make
measurements. Return
instrument for repair.
4
Bias calibration settings are
invalid.
Do NOT make
measurements. Return
instrument for repair.
5
Ion chamber customization
settings are invalid.
Reinstall ion chambers using
the Customization software.
6
Ion chambers cannot be
read.
Return instrument for repair
to correct problem.
and Repeat Exposure
Press RESET/MEASURE
ADC
Internal Reset Error
Error Number : 16
Service Required
ADC
Configuration Error