Hanna Instruments HI 96765 - Manual (Page 9)

9
Over Range: A flashing value of the maximum concentration
indicates an over range condition.
Cooling lamp: The instrument waits for the lamp to cool down.
c) other errors and warnings
Battery low: The battery must be replaced soon.
Dead battery: This indicates that the battery is dead and must
be replaced. Once this indication is displayed, the meter will
lock up. Change the battery and restart the meter.
Cap error: An excess ambient light is reaching the detector.
Please place the light blocking cap and press CAL again. If the
light blocking cap is properly installed, and a calibration can not
be performed, then contact your dealer or the nearest Hanna
Customer Service Center.