Raymarine 45 STV User Manual page 57

Maintenance and troubleshooting
Code Test
Code 101 Communication between antenna and ACU is being tested.
If failed, check the power and data cable connections.
Code 102 AZ CW limit switch is tested.
If failed check the limit switch, motor and belt for azimuth axis.
Code 103 AZ CCW limit switch is tested.
If failed check the limit switch, motor and belt for azimuth axis.
Code 104 EL axis is tested.
If failed check the limit switch, motor and belt for elevation axis.
Code 105 Sub-reflector is tested.
If failed, check sub-reflector.
Code 106 LNB tested.
If failed, check the LNB and control board.
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