FAQ: What causes an E19A alarm on the NS600 indexer and how is the error corrected?
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The E19A alarm is a Program Check-Sum Alarm. E19A is the response when the controller is queried with the ALM command or while monitoring with IndexWorks, but the SGDH display will read A.EF. The alarm is detected only when the control power is turned ON or when the RES command is executed. It indicates that there was an error in the storage of the program table to flash memory. The E19A alarm is usually occurs when the control power is turned OFF while saving the program table (with a PGMSTORE command) or initializing the program table (with a PGMINIT command).
This error can be resolved by reinitializing the program table with a PGMINIT command or by executing function Pn806. If this method does not work, download all table parameters to make sure that the memory table is full of valid data.
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