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If error code 3 still shows, replace the thermopiles. If an error code 8 is observed while performing the testing, complete the following: 1. Confirm that the gas valve is not in the REMOTE mode. • If the valve is producing error code 8 while in the REMOTE mode, the valve is defective and should be replaced. • If the valve is producing error code 8 while in the LOCAL mode, go to the next step. 2. Slide the REMOTE/LOCAL switch to REMOTE and program the remote control as per item 6 page 13. The er