Distek Evolution 6300 - Page 96

Chapter 5: Troubleshooting
Operation Manual: Evolution Series
5
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11
Temperature, abnormal display
PROBLEM POSSIBLE SOLUTION
+6 volts dc
not present
Refer to no +6 volts dc.
-5 volts dc
not present
Refer to no -5 volts dc.
RTD wiring
harness
Check the harness for any faulty wiring
and connections.
DISPLAY Temperature
seems
locked/not
changing
A/D board
Replace the A/D board.
RTD
Check the RTD(s) for any shorts or
higher resistance readings.
RTD cable
harness
Check the harness for any faulty
connections.
RTDs/CalProbe Abnormal
display
reading
A/D board
Replace the A/D board.
Calibration
PROBLEM POSSIBLE SOLUTION
Cal Probe
Check the calibration probe for any
shorts.
RTD wiring
harness
Check the harness for any faulty
connections.
PROBE No response from
calibration probe
A/D board
Replace the A/D board.
Mechanical
PROBLEM POSSIBLE SOLUTION
Leveling feet
By using the bubble level as a
guide, level the unit from front to
back and side to side by adjusting
front leveling feet under
instrument base.
BATH LEVEL Level
Rear
stabilizers
Adjust rear stabilizers so they just
barely touch the bench.