Chapter 9 Troubleshooting
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9.1.1 WRG LED (Specified only for SCON-CAL/CGAL)
WRG LED is a feature to prompt regular maintenance works for consumables such as absolute
battery and fan unit. It flashes when following causes are occurred.
(1) When the battery voltage has dropped below the normal voltage in the absolute type
actuator
(2) When the rotation speed of the fan attached on the top of the product has dropped below
the specified value (degradation)
(3) When the load has exceeded the overload warning threshold (when the setting in Parameter
No. 151 is 0)
(4) When a message level alarm has been generated (when the setting in Parameter No. 151 is
1)
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