Agilent Technologies 8453 Operator's Manual page 184

Table 33
Table 34
Diagnostics and Troubleshooting
Error Messages
Excessive Dark Current Detected On Photodiodes
Possible Causes
Spectrophotometer data acquisition (SDA)
board failure.
Photodiode array electronics failure.
Raw Data Buffer Overflow
Possible Cause
Attempting to acquire large amounts of data
within too short of a time period.
78
Action
Replace spectrophotometer data acquisition
(SDA) board.
Replace optical unit.
Action
Change data acquisition rate, and/or change
cycle time, and/or change wavelength range.