LF2020-INS-LAB-RevC12
15
8 TROUBLESHOOTING
The following list of encountered problems and their solutions will assist you in determining what
may be causing your Lumex lift not to function as designed. If you have a problem occurring which
is not listed below, please contact your distributor or Graham-Field Technical Support for help.
Do not attempt to repair components or parts on your lift, as this may invalidate your warranty or
cause further problems that may result in patient injury. Stop using your lift immediately if it is not
functioning correctly or any warning beeps are heard.
SYMPTOM POSSIBLE CAUSE ACTION
Theactuatorisstalledanda
clickingsoundisaudible
Actuatorplugisnotseated
properlyintocontrolbox
Actuatorisdefectiveoratendof
itslifecycle
Controlboxisdefective
Firmlyplugactuatorpluginto
controlbox
Replaceactuatorifcontrolboxis
good
Replacecontrolboxifbad;replace
controlboxifpendantisgood;
replacependantifbad
Theactuatorwilleithergoupor
down,butnotboth
Handpendantorcontrolbox
defective
Replacecontrolboxifpendantis
good
Replacependantifitisbad
Theactuatormakesagrinding
soundwhilelifting,butworksne
withoutaload
Theinternalgearisstripped,likely
duetooverloading
Stopusingtheliftimmediately!
Repairorreplacetheactuator
Theactuatorstopsandstarts
duringliftingorlowering
Badbatteries Checkbatteryindicator;conrm
iflightsdropquicklytoredlight;
replacebatteries
Theliftwillnotoperateeventhough
batteryindicatorshowscharge
Batterychargerstillpluggedin
Poorconnectionbetweencontrol
boxandpendant,ordefective
pendant
Poorconnectionbetweenactuator
andcontrolbox
Unplugbatterycharger
Plughandpendantrmlyinto
controlbox,orreplacependant
Plugactuatorcordrmlyinto
controlbox
Theliftwillnotoperateandbattery
indicatorhasnolightsilluminated
ControlboxmaybeinOFFposition
Internally
,batteriesmaybeloose
fromtheirconnections
Batteriesareinneedofbeing
charged
Batteriesaredeadandwon’tholda
newcharge
Turntheredemergencystopbutton
untilitpopsuptotheONposition
Checkinsidecontrolboxtoensure
batteriesareconnected
Usechargertochargebatteries,
ensuringtheredemergencystop
buttonisinONorUPposition
Replacethebatteries
Duringcharging,thebattery
indicatorisnotilluminatedand
won’tcharge
Theredemergencystopbuttonis
inOFForDOWNposition
Thebatterychargerisdefectiveor
atendofitslifecycle
Turntheredemergencystopbutton
untilitpopsuptotheONposition
Inspectthebatterychargerfor
damageandreplaceifrequired
Thebatteryindicatorindicatesneed
forfrequentchargingand/orlift
losespower
Thebatteriesareatendoflifecycle Replacethebatteries
Theliftwillnotoperate,andthere
isnoclickingsoundorlightwhen
pendantispressed
Thependantisloose/defectiveor
atendofitslifecycle
Checkbatteryindicator;replace
pendantifbatteryindicatorshows
fullcharge
WARNING: If you experience a problem with your lift and are unable to solve it yourself,
contact your Graham-Field provider.