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FAULT FINDING
PROBLEM
Backrest stops sporadically
New Quiet Knight is
omitting noise
Actuator is running, but the
unit is not moving
Actuator not running or
lifting
Unit will not lower, handset
and power are OK
Unit moves away from the
bed when raising
Mattress creeps down the
bed and overhangs the base
Usage and Maintenance Instructions
POSSIBLE CAUSE
Safe working load exceeded
Possible fault to the actuator,
control box or handset
Mains cable loose
Handset loose
Actuator needs running in
Faulty actuator or handset
Mains cable not plugged in
Handset not plugged in
No power supply to the unit
Anti-crush device has operated
Straps to base widthways and
lengthways are not tight enough
Mattress strap is not tight
enough
Mattress stopper could be
needed
Mattress is orthopaedic type
REMEDY
Follow safe maximum load
guidelines, 190 kg (30 stone)
Call your engineer for help
Check and secure the plastic loop
adjacent to the mains socket on
the actuator
Check connection and push
securely into handset socket on
actuator
Run unit a few times to seat the
actuator
Call your engineer for help
Call your engineer for help
Check handset is plugged in
Check mains supply/ check fuse in
plug
Raise the unit to its fully extended
height and lower
Tighten up straps
Tighten mattress strap
Install Aidapt mattress stopper
Install Aidapt mattress stopper
9
Ver. 2 07/2012 (1005)
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