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Commercial in confidence. User Manual Revision CTK-SM-REV8-060720
5. TROUBLE SHOOTING
5.1 Fault Finding
The following table identifies some fault symptoms, possible cause(s) and suggested
remedial action.
Symptom
Possible Cause
Remedial Action
All actuators inoperative
Functions locked on nurse
control panel or ACP.
Unlock functions
Power disconnected and
backup battery discharged.
Connect the power cable to
a suitable mains power
supply outlet
Fuse blown and backup
battery discharged.
Call Arjo Service
department
Roving handset, control
panel or ACP disconnected.
Check all cable connections
between control units,
junction box and control
box.
One actuator inoperative
Actuator cable
disconnected or faulty.
Check cable connection
into control box and
actuator. Check for faulty
cable.
Main lift actuators fail to
operate and an audible
beeping sound can be
heard when handset is
activated
Control Box requires
calibrating possibly due to
bed being operated on
backup power, when
batteries were fully
discharged.
Ensure bed is connected to
mains power supply and
carry out calibration
procedure.
Brake and/or steering lock
not effective
Worn or damaged castor(s)
or brake pedal
Replace castor or brake
pedal.
Backrest Emergency CPR
not effective
Release mechanism not
properly adjusted
Check and re-adjust