Cannon Instrument D155 Density Meter - Manual (Page 42)

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6-3-2. “Ready to Test” message does not appear and/or cell temperature is unstable.
Follow the following steps if “Ready to Test” message does not appear after more than 1 hour or the cell
temperature appears unstable after having reached the preset measurement temperature.
START
Check the air-intake at the
bottom to see if clogged
Check ambient
temperature (5°C~+35°C)
Operate the unit within the range
of the specified temperature
No
Yes
Check the air-intake at the bottom
to see if clogged
No
Yes
END
Repairing by manufacturer
Is everything O.K.?
No
Yes
6-3-3. The unit does not work even though power is on.
If the “Ready to Test” message does not appear after the D155 has been powered on for more than 30
minutes, check on the line voltage. If correct power voltage is supplied, Contact CANNON or your local
dealer.
6-3-4. LCD does not function
If the LCD display is found to be defective (no message appears on screen) or the brightness of display
cannot be adjusted, Contact CANNON or your local dealer.
CANNON ® D155 Density Meter Instruction & Operation Manual
Version 1.1b – August 2014; CANNON® Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA