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CHAPTER
18
Diagnostic Mode is designed for servicing and manufacturing, and therefore is not intended for
everyday use, even by advanced users. It provides raw data from sensors and about settings,
but only allows adjustment of pump stall parameters, which should only be changed by
qualified personnel.
Note: If the instrument is turned on in Diagnostic Mode and you switch to User Mode, datalog
data remains in raw count form. To change to standard readings, you must restart the
instrument.
Entering diagnostic mode
Note: To enter Diagnostic Mode, you must begin with the instrument turned off.
Press and hold [Y/+] and [MODE] until the instrument starts.
The instrument goes through a brief startup, then asks for a password (default password is
0000), and then displays raw data for the PID sensor. These numbers are raw sensor readings
without calibration. The instrument is now in Diagnostic Mode.
Note: In Diagnostic Mode, the pump and lamp are normally on.
You can enter Programming Mode and calibrate the instrument as usual by pressing both
[MODE] and [N/-] for three seconds.
You can enter Monitoring Mode by pressing [MODE] and [Y/+] together for three seconds.
Once the instrument is started up in Diagnostic Mode, you can switch between Diagnostic
Mode and Monitoring Mode by pressing and holding [MODE] and [Y/+] simultaneously for two
seconds.
In Diagnostic mode, you can step through parameter screens by pressing [MODE].
Handheld PID Monitors
DIAGNOSTIC MODE
IMPORTANT!
98
User Manual
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