6-3
Troubleshooting
Operator Manual
150830-685
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
SLIDE HEAD or SLIDE FOOT
SLIDE is not within 1” (25 mm) of center
position when unlock floor locks is
attempted.
Position SLIDE to 0”.
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