QRS Music Technologies PMII, Installation Manual, Page: 49 / 52

Troubleshoo ng
49
Problem Possible Cause Remedy
Unit will not turn on Power cord is not plugged into live
socket
Plug line cord into wall outlet
Wall outlet is not live Some wall outlets ate controlled by a
wall switch
Power switch on Power Supply is o ff Turn the main power switch on. This is
located on the power supply
Blown external power supply fuse Replace the 7amp 250 volt Fast ‐ Blow
fuse
Blown internal power supply fuse Replace the 5mm 250 volt Slow ‐ Blow
5amp fuse
No music. Mute is on Located in volume controls
Solenoid misalignment Loosen the 11/32” solenoid moun ng
plate nut and align the pusher p with
the center of the key tail
Bent Solenoid Plunger Push Rod Replace solenoid plunger
Magic Pedal Mode Plug in Pedal Solenoid
Key stays depressed
Pedal Thumping Modula on Level Adjust the “Thump Reduc on” se ng.
System Setup/Pedal Adjust
Throw distance too great Decrease pedal throw to 3/16”
Dampers do not fully dampen the
strings
Trapwork Adjust manual sustain rod down to
allow dampers to fall to their full rest
posi on
Or
Adjust pedal solenoid pusher p up ‐
ward or clockwise to allow dampers to
fall to their full rest posi on
A91 Error Code Shortened Solenoid Find and replace Solenoid
Short on Driver board Find and replace Driver board