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Troubleshooting
PROBLEM CAUSE SOLUTION
Tester not returning to home position No power to motor Confirm power to outlet
Check fuse in panel
Check prox for contact
Arm Assembly not lowering No power to motor Confirm power to outlet
Check fuse in panel
Check prox for contact
Deviation Check
Your James Machine must be operated in a temperature and the tile between weight drops, or 16 weight drops total,
humidity controlled environment of 70º F (+3º to -5º F) at to confirm the machine is performing correctly. Deviation
50% humidity (+-) 3%. should be checked after 8 drops on each series of tests.
The Michelman-James Machine is calibrated at the factory. If you determine the machine is out of calibration, make
Under normal use, no further calibration should be arrangements with Michelman to return your machine for
necessary, unless a series of tests performed on a known re-calibration.
substrate (board cover or other control tiles) indicates the
machine has fallen outside an acceptable deviation of .0399. FALSE-POSITIVES: The James Machine may at times report
a single random high-read or false-positive. These are due to
To check for deviations, users should perform two control variants in the test conditions of the tested materials, and not
tile tests with and without tile rotation. Utilize a minimum of because of calibration errors.
8 control tests without rotating the test tile between weight
drops. Then facilitate a series of 8 control tests with rotating