R.M.U.
Fault
R.M.U reed switch is not receiving a signal
•Check white OSG roller is rotating when the lift is
travelling. The 2 magnets must pass the sensor to give a
pulse in less than 7 seconds
•Check grey wires on bottom guidance loom for
continuity.
Over
Speed
Over speed switch is activated
•Check O.S.G assembly is in neutral position, if not reset
and try run the lift again
•Check Orange wires on bottom guidance loom for
continuity.
THE INFINITY STAIRLIFT
Page 20
Troubleshooting