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Power and Battery Issues
|Why doesn't the battery backup work?
|If battery backup is too low (6 volts or lower) the unit will turn itself off. Readings will also rise before the battery is completely dead.
|If the power outage was only momentary, the unit may not have had enough time to recognize this and switch to battery mode. The unit may lock-up or shut off in this situation.
|Why does the unit appear to have no power?
|Make sure keypad is not unplugged. Wait for the unit to warm up, it should power up and give all data stored.
|Ensure that the keypad is plugged and allow the device to warm up.
|How long does the rechargeable battery backup last?
|Approximately 12 hours.
|A UPS can be used for better results.
|Will the unit log data if power is lost and unit is operating on backup battery only?
|Yes, as long as the units on/off switch is in the "on" position.
|Double check and ensure that the device is in "on" position if desired
|Logger lost AC power. When AC power was restored, save data is not displayed and the logger is plotting 0 deg.
|The logger failed to refresh the graph properly when AC power was restored.
|Unplug the AC power cord from the logger for 10 seconds. Plug AC power back in. All saved data should display and the unit should begin logging normally.