Arjohuntleigh Malibu Sovereign Maintenance And Repair Manual page 54

Trouble shooting
Before starting to trouble shoot check:
Power supply, Water supply, LED:s on Panel and in Control box and emergency stop
Problem
Tub will not lower
Tub lowers/raises slow
or makes noises dur-
ing action
Beeping noise when
rising/lowering
Nothing happens
when pressing a but-
ton on the hand con-
trol
-LED 0 in Normal Mode shows if lift arm is in lowest position
-LED 2 in Normal Mode shows if the safety cut-out switch is active
-LED 1 in Normal Mode shows if lift arm is in inner rotation position
-LED 6 in Normal Mode shows if lift arm is in highest position
Lift arm "up/down"
and "in/out" does not
work
Lift arm "up" does
not work
Cause
Electric fault
Chassis bind
Battery operation
(Battery low)
HAND CONTROL
Overlay defect
Cable to hand control
connector on tub front
disconnected
LIFT ARM
Hand control not
working
Electric fault
Friction too high, cur-
rent limit reached
54
Action
Check hand control and
cables to J15
Check control box
Check Hi/Lo actuators and
cables to J21,22,23,24
Lubricate chassis
Fuse broken
Power failure
Replace hand control
Check/ replace cable con-
nected to J15 in the control
box
Check hand control and
connection to control box
J15
Check hand control and
cables to J15
Check control box
Check lift actuator
Measure current
Check if the bearings/bush-
ings in the lift arm allows a
correct movement
MRM Malibu/Sovereign
Service
procedure
SP 26
SP 11
SP 26