FEC AFC1100 - Manual (Page 15)

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9.10.5 code 9-4 preset error / system abnormal 3
The system controller experienced an internal processing error.
This abnormal is caused from only 2 items.
1. If the controller is located in an electric or magnetic noise field.
2. When the controller malfunctions.
RECOVERY:
1. Verify that the controller is not located near any high voltage transient power sources.
Relocate as required and reinitialize the system.
2. Exchange the controller with known working unit. Reinitialize the system after the
exchange.
WARNING:
DO NOT CONNECT OR DISCONNECT CABLES OR OTHER SYSTEM
COMPONENTS WITH POWER APPLIED.
Chapter 9: Troubleshooting (Rev. 8/98)
Page 9-15