22
TROUBLESHOOTING (CONT’D)
ERROR MESSAGE
PROBABLE CAUSES
SOLUTION
E6
- Safety Key Off
Safety Key Faulty
Check Safety Key or Switch
- Elevation Motor
Elevation Motor not moving
Check Elevation Motor
connection
- Stalled Elevation
Elevation Motor screw binding
Clean screw and lubricate
Elevation Motor out of Range
Check Zero Position of E-Motor
E-Motor
Potentiometer
Replace Elevation Motor
E7
- Elevation Motor
Elevation Motor out of Range
Replace Elevation Motor
Display Doesn’t Lit Up
On/Off switch
Check if unit is turned on
Insufficient Power Source
Plug unit in a dedicated 120V,
20Amp Outlet
Line Cord Damaged
Replace Line Cord
Fuse
Check Fuse on MCB
Summary of Contents for PT-333
Page 3: ...3 PRODUCT OVERVIEW ...
Page 18: ...18 EXPLODED VIEW PT 333 ...
Page 19: ...19 PART LIST PT 333 ...