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Troubleshooting 127
5.2.21 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
Reset the unit
Yes
NO
5.2.22 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.
5.2.23 615Error
Error occurrence conditions and check items
Error
Description
E615 error
Abnormal signal input by PCB.
Check items
1. Turn the POWER RESET switch OFF then ON (or unplug and replug the power supply.
2. If the system still displays E615, replace the main PCB.
Содержание NCB-150E
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Страница 147: ...Version 1 4 146 NCB E Service Manual 7 2 Burner Assembly 1 2 9 10 11 12 13 14 21 18 17 4 20 13 19 12 10 16 15 3 6 5 7 8...
Страница 153: ...Version 1 4 152 NCB E Service Manual 7 5 Fan Gas Assembly 2 4 7 5 6 11 14 12 11 10 9 13 11 15 1 3 8...
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