Lennox Hearth G8 - Manual (Page 63)

Antenna Error Messages
At times, the MCU will display error messages alerting you to a
specific problem (e.g., you have selected an invalid satellite pair).
There are also two general antenna error messages that are not
related to a specific action.
“Antenna response incorrect” (shown in Figure 3-4) indicates that
the MCU received an incorrect answer from the antenna in
response to a request. The solution to this error is simply to
repeat your requested operation.
“Antenna not responding” (shown in Figure 3-5) indicates that
no messages are being received from the antenna. This is usually
the result of the antenna not being powered up or the antenna
being disconnected from the MCU.
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TracVision G8 Owner’s Manual - Guide to Technical Information
ERROR: Antenna
response incorrect
ERROR: Antenna
not responding
Figure 3-4
Incorrect Response Error Message
Figure 3-5
Non-responsive Antenna
Error Message