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HM680 Hydronic Manometer
The following table lists error codes which can be displayed should the instrument detect a problem.
Should any of these error codes recur repeatedly, the instrument should be returned to the factory for
servicing.
Error Code
Possible Causes
RTC CODE:
Problem detected in reading or setting the time and date.
COUNTER CODE:
Problem detected with the counter chip.
LCD CODE:
Problem detected in writing to the display.
ADC7718 CODE:
Problem detected in reading the pressure voltage.
ADC3300 CODE:
Problem detected in reading a non-pressure voltage.
EEPROM A CODE:
EEPROM B CODE:
Problem detected in reading from or writing to one of the chips that
store calibration data, user settings and logged data.
USB CODE:
Problem detected with the USB chip.
Calibration CODE:
The meter’s calibration data has been corrupted.
The Lithium Battery is Low.
Low voltage detected on the on-board lithium battery.
Summary of Contents for HM680
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