TW-357 REV E
Defog Feature Will Not Operate
See LID OPEN ALARM.
To activate or adjust times: Select MENU, USER OPTIONS, CONTROL OPTIONS, LID/DEFOG SETTINGS, AUTO
Push Buttons Will Not Respond
1.Check all ribbon cable connectors on back of display panel.
2.Moisture may have migrated into the sealed faceplate. Call
Liquid Level Readout is Incorrect
Liquid level is determined by a
1.Similarly, STOP FILL cannot be assigned to thermistor number 7. The factory installs this seven thermistor assembly all the way to the floor of the sensor tube, which positions thermistor number 1 one inch above the floor (i.e.; the first thermistor is offset from the floor zero inches).
If you would like to stop the fill at a depth greater than seven inches from the floor, the sensor assembly must physically be raised inside the sensor tube. The distance that it has been raised becomes the new OFFSET and the controller must be notified of this offset from the floor. The factory settings are START FILL at 3 inches and STOP FILL at 5 inches, with an OFFSET of zero. If you want to establish a START at 15 and STOP at 17, raise the sensor assembly 12 inches
(17 minus 5) and set the controller OFFSET to 12 by: Selecting MENU, LEVEL SENSING, SET SENSOR OFFSET. The unit should begin filling. The
this exceptionally long initial fill.
Power Failure Alarm
If power is interrupted, a note of the time and duration will be recorded in the log. No local alarm will be sounded unless a high temperature is detected after power resumes. The Remote Alarm will be triggered anytime the power is interrupted.
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