Instruction Manual for Libra Care Bed
Page 106
6.5.7 RESET the control unit
To be carried out in the following situations:
• If a serious error was detected by the control unit and this has now been
properly rectified but the control unit has locked out the affected functions for
safety reasons.
Locking can be caused, for example, by:
o A fault in the handset (e.g. a short-circuit/interruption in the cable; a
jammed button)
o A fault in the adjustment motors (e.g. a short-circuit/interruption in the
cable, or a fault in the position detection/in the end position switch)
o An internal fault in the control unit
• If the module emits intermittent sound signals when making motorised
adjustments, and/or no adjustments are possible or adjustments are only
possible on one side.
Effect:
• Deletes any existing saved errors (RESET). The last error is retained and can
still be read out.
How should this be done?
Press and hold both of the marked keys simultaneously (a
continuous signal sounds) until after approximately 5 seconds
an intermittent signal sounds (=RESET/ manual mode)
6.5.8 Replace the motors
• Unplug the switch mode power supply from the mains socket.
• Remove the faulty motor.
• Unplug the plug-in cable connection on the motor.
• Fit the new motor in the same way.
• To prevent the motor bolts from working loose and causing potentially hazardous
sudden changes in the position of the bed, always ensure that you fit new safety
washers (“Starlock”; available from Stiegelmeyer service department) and do not
refit the old safety caps that you removed.
• Applies only for height adjustment motors: Initialise the control unit (see
chapter 6.5.6)
• After this, check the electrical bed adjustment functions (see chapter 6.2).
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