burmeier Lenus - Page 82

Instruction Manual for Lenus Care Bed
Page 82
Problem
Possible causes
Solution
Operation is not
possible despite
functioning power
supply
• Control unit has shut down due
to overheating
• The control unit has detected a
fault and for safety reasons has
locked the adjustment functions
• Control unit defective
• Observe max. duty cycle:
After 2 min ON, 18 min OFF;
replace the control unit.
• Perform reset, see chapter
6.5.5.
• Replace control unit.
Inform your operator to
arrange for the necessary
repairs
Drive runs for a brief
time only, then stops
• Drive overloaded
• Structural obstructions in the
way of bed adjustment
• Remove the overload in the
bed, retest
• Remove obstructions; move
bed away from obstructions
(e.g. windowsills, sloping roofs)
Control unit partly
not functioning;
• One or more motors are not
connected properly/ electrical
plug connections have come
loose
• There is a serious problem with
the control unit.
For safety reasons, all functions
are locked.
• Check electrical connection of
all motors/plug connections;
• Perform RESET (see chapter
6.5.5); if it occurs again: Have
drive system checked.
Inform your operator to
arrange for the necessary
repairs
Height adjustments
and tilting not
possible or only in
one direction; signal
tone sounds during
adjustment
• Control unit has “forgotten” the
drive positions
• Perform initialisation; see
chapter 6.5.4.
Pulsating beeping
sound when button
pressed when bed
connected to power
supply
• Motor fault
• Handset fault
• Replace the motor
• Replace handset with a new
one