Merivaara OPTIMA MINOR, Use And Maintenance Instructions

Page: 15 / 35

15
4.2 Troubleshooting
Malfunction Cause Repair
Mattress base will not rise. • Oil level low
• Air in the hydraulic system Bleed pump.
Mattress base does not lower
properly. • Air in the hydraulic system Bleed pump.
Mattress base not maintaining
height. • Faulty valve
• Faulty seal
• Debris in hydraulic system
Replace pump.
Bed pulls to one side when
pushing. • Castor sticking
• Debris in castor
Replace castor.
Clean castor.
Mattress base angle adjustments
do not remain in place. • Gas spring is damaged
• Gas spring is installed
incorrectly
Replace gas spring.
Correct faulty installation See
section 4.5page 18.
Motor does not work. • Motor connection has come
loose
• Hand control connection has
come loose
• Power cord out of socket or
control unit
• Distribution fuse blown
• Faulty limit switch
• Fault in motor
• Control unit current limit
exceeded due to overloading of
motor
Re-connect to control unit.
Re-connect to control unit.
Plug back into wall socket.
Contact Service.
NOTE! Replacements may only be
performed by an authorised service
representative.
Contact Service.
Contact Service.
Only one person may be on the
bed when running the motor. The
maximum allowable weight
(patient, mattress and accessories)
of 180 kg must not be exceeded.
Hand-held control unit does not
work. • Hand control connection has
come loose
• Wire or hand-held control unit
damaged
Re-connect to control unit.
Contact Service.
The function running does not
correspond to the function button
selected. • Motor cords in wrong order Re-connect to control unit in
numerical order.
See section 4.7page 20