Head Motor
999-0844-052SP
Foot Motor
999-0844-053SP
Hi/Lo Motor
999-0848-051SP
Control Cable Port
(999-0848-200 connects to Pendant Cable)
Hi/Lo Motor Cable Port
Head Motor Cable Port
Foot Motor Cable Port
This Port Not Used
Control Box
999-0848-300SP
HEAD OR FOOT MOTOR MALFUNCTIONS
(DECK DOES NOT GO UP AND/OR DOWN)
1. Check all Motor Cable connections.
2. Check Motor condition - cracked housing, scratches,
bent shaft, etc.
3. Hi/Lo and Foot work, but Head does not:
a. Unplug Power Cord.
b. Switch Head and Foot Motor Cables at the
Control Box.
c. Replug Power Cord and test.
4. Hi/Lo and Head work, but Foot does not:
a. Unplug Power Cord.
b. Switch Foot and Head Motor Cables at the
Control Box.
c. Replug Power Cord and test.
5. Motor grinds loudly - replace Motor.
HI/LO MOTOR MALFUNCTIONS (ENTIRE
BED DOES NOT GO UP AND/OR DOWN)
1. Check All Motor Cable connections.
2. Check Motor condition - cracked housing, scratches,
bent shaft, etc.
3. Head and Foot Motor work, but Hi/Lo does not:
a. Unplug Power Cord.
b. Unplug Hi/Lo Cable at Control Box, and plug into
Head port.
c. Replug Power Cord and test.
4. If Hi/Lo works - replace Control Box.
5. If Hi/Lo doesn’t work, or grinds - replace Hi/Lo Motor.
CONTROL BOX MALFUNCTIONS
1. Check all Motor Cables and Power Cord
connections.
2. Hi/Lo Motor works, but Head or Foot does not (see
Head & Foot Motor Troubleshooting above). If
determined that port is bad, replace Control Box.
3. Head and Foot Motors work, But Hi/Lo does not (see
Hi/Lo Motor Troubleshooting above). If determined
that port is bad, replace Control Box.
If the problem continues, contact Technical Support
at 770-368-4700.
ELECTRONIC TROUBLESHOOTING QUICK REFERENCE
GF Health Products, Inc. - www.grahamfield.com
Liberty Series Service Manual 999-0822-190G
LIBERTY SERIES
33
For Parts Call Medical Parts Source: 941-342-7725
