TROUBLESHOOTING
Harmony Ball Return Manual – 400-254-022 38 Rev. Date 3/16
Hand dryer does not operate.
Verify the fan cage is clean
and moves freely. Replace
blower. Check fuse.
Check power connection to
control box. Verify the proper
voltage plug is being used.
Check fuse.
Lift does not stop when an
intrusion enters the tunnel of
the bezel.
Verify that the control box is
in Advanced mode.
Verify wiring connections at
both ends. Replace intrusion
sensor.
Verify that the belt is seated
and tensioned properly.
Verify the condition of the v-
wheel and wear strips.
Control box continually goes
to Mechanic’s mode.
Check for an interruption in
the hood switch circuit.
Clean upper and/or lower
guide assemblies and v-
wheels or replace.
Ball sticking in transition area.
Check alignment.
Check tension.
Check orientation.
Check for wear.
Check/replace capacitor on
motor.