Yamaha YSP 3300 Subwoofer not working


Novice Member
I have a problem with my subwoofer there is no output on my YSP 3300, Firmware Version 12.04.05. With the unit turned on and the subwoofer on it will sync TX to the receiver, when I run setup/ Sound /Speaker Level, all the levels adjust but when it comes down to Subwoofer even though the level adjust there is no output from the subwoofer, I have run set Beam and the subwoofer works, I have tried the subwoofer on another YSP 3300 and it works so the problem must be the receiver any ideas please.

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