6-3
Troubleshooting Operator Manual 150832-639
Table 6-2. Troubleshooting Chart (LCD Message)
FAULT DISPLAYED FAULT DESCRIPTION FAULT ACTION
1 KEY ONLY Two pushbuttons are pressed at the same
time
Press one button only
DUAL COMMAND Commands are sent from the optional foot
pedal and the hand control at the same
time.
Hand control has priority
REV ORIENT Flex and Reflex are disabled in reverse
orientation.
Press REV. ORIENT
LOW BATT Battery voltage below 23 V. Plug the power cord into facility power and
ensure Power switch is ON
LOCK AGAIN The pressure switch status does not
change after FLOOR LOCK is pressed or
status does change and FLOOR LOCK was
not pressed.
Inspect for oil leakage; verify pressure
switch connect; change floor lock valve
block
WRONG USE Hand control pushbutton is pressed and
held for longer than one minute.
Release button
SENSOR DEF The sensor voltage is out of range
(0.3 - 4.7 V)
Check sensor, wire and connection;
calibrate sensor; change sensor
SENSOR FAIL Voltage difference between sensor and
expected value by control board.
Calibrate table
BATT FUSE No fuse or blown fuse. Check fuse; plug the power cord into facility
power
BATT DEF Battery voltages differ by more than 0.6 V. Check voltage of each battery; replace
battery
CHARGER DEF Battery charger is defective or fuse (inside
the charger) is blown.
Check fuse F1; change battery charger
POWER DEF Transformer too hot or fuse F2 is blown.
Table still operates on battery power.
Wait for transformer to cool; check fuse F2
(inside power supply); replace power
supply
PUMP DEF No hydraulic pump control. Change power supply
VALVE DEF No valve control. Change control board
MOTOR DEF No SLIDE motor control. SLIDE inoperative. Replace sliding board
MOTOR FAIL The power control is always on. SLIDE
inoperative.
Replace sliding board
SLIDE DEF No SLIDE control. SLIDE inoperative. Change sliding board
SLIDE FAIL SLIDE continuously operating. SLIDE
inoperative.
Replace sliding board
PUMP FAIL Pump does not shut off. Change power supply
BAD VERSION Hand control software version is
incompatible with control board software
version.
Replace hand control
VOLTAGE PEAK Battery voltage reaches 31 V. Replace power supply
VALVE FAIL Valve does not shut off. Replace control board