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Why doesn't the battery backup work?
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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.
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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.
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Why does the unit appear to have no power?
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Make sure keypad is not unplugged. Wait for the unit to warm up, it should power up and give all data stored.
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Ensure that the keypad is plugged and allow the device to warm up.
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How long does the rechargeable battery backup last?
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Approximately 12 hours.
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A UPS can be used for better results.
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Will the unit log data if power is lost and unit is operating on backup battery only?
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Yes, as long as the units on/off switch is in the "on" position.
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Double check and ensure that the device is in "on" position if desired
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Logger lost AC power. When AC power was restored, save data is not displayed and the logger is plotting 0 deg.
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The logger failed to refresh the graph properly when AC power was restored.
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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.
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