Impulse Wipeout Invalid Key 4.6

[Dom]

Could anyone help? Have this error with an alarm.

Would be appreciated!

[Shakey]

Error 4.6 is one of 3 depending on if the machine is data prom or not

Its either no percentage key or invalid setting

Or

Invalid stake setting

Or

the mother board what mother board is it as have many spares

Shakey