5.2.22 517Error
Error occurrence conditions and check items
Are the DIP S / W on the PCB
properly set?
Change the DIP S / W to the
proper settings
* If problem persists, replace the PCB
Reset the unit
Yes
NO
5.2.23 594Error
Error occurrence conditions and check items
Error Description
E594 error If the communication is abnormal in parts of PCB, the system displays E594 on the PCB.
Check items Check the PCB.
Error occurrence conditions and check items
Fault Possible Causes Check method
E594 Error
Abnormal
communication by PCB.
1. Click the Reset button on Front panel.
2. Turn the POWER to the unit OFF then ON. Disconnect then reconnect power if
necessary.
3. If the system still displays E594, replace the main PCB.
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