The console does not display RPM.
- Make sure the housing at locations 2 and 3 are properly connected.
- Make sure the magnet at location 4 has not fallen off.
- Make sure that the reed switch (location 1) is pointing directly at the magnet. (On the parts list,
the reed switch is reference number 84-4.)
- Make sure that the distance between the tip of the reed switch and the magnet is no more than 1 cm.