86
Troubleshooting Table
Problem/Message Explanation
Low Fluid Level in
Freezing Chamber
The heat transfer fluid pump may be
malfunctioning, or there may be a leak or
obstruction in the fluid system. Run the Head Up/
Down Test while observing the priming of the
heat transfer fluid pump and the flow of fluid into
and out of the freezing chamber. If leakage or
an obstruction is suspected, contact Advanced
Instruments for Hot-Line Service.
Memory Allocation Error Turn unit off and on. If the error message does
not persist and no other message is displayed,
ignore this message. If the error persists, contact
Advanced Instruments for Hot-Line Service.
No Parameters in RAM Error is self-correcting. This will restore default
settings. Custom settings and probe bin numbers
will need to be reset. If the error persists, contact
Advanced Instruments for Hot-Line Service.
No Plateau, Repeat Test Your instrument was unable to detect a freezing
plateau, and was therefore unable to give a result.
Check your technique and try again. If the message
persists, obtain Hot-Line Service.
No response when the
START or TEST key is
pressed
Try restarting your instrument. If this does not solve
your problem, Contact Advanced Instruments for
Hot-Line Service.
Out of Range This message will appear if the plateau value
exceeds the upper limit of 4000 mOsm. It will
also appear if the buzz point setting limits are
exceeded.
Parameter RAM Failed
or New Software
Version
This message tells you that a new software
version has been installed since you last powered
the instrument or that the information stored
in parameter RAM has been corrupted. The
instrument will reload factory defaults.
Printer fails to print
Make sure there is paper in the printer. If there is
not, install paper per the instructions in Step 5
— Load printer paper (Figure 1). If there is paper
in the printer, make sure that the printer cover is
completely and securely closed.
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