Acorn 180 curved stairlift fault codes & meanings

Fault codes and troubleshooting Acorn 180 curved stairlifts.

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A1 CodeThe stairlift is not charging, please ensure charger for the stair lift is turned on and that the stairlift is on a charging point.
A2 CodeNormal operation. The stairs lift is moving up the stairlift rail.
A3 CodeNormal. The stairlift is travelling or moving down the rail.
A4 / A5 CodeA4 lift is moving upwards by the remote control. A5 The stairlift is moving downwards by remote control.
C1 CodeThe stairlift is currently charging this is normal.
C2 CodeThe stairlift is not getting enough voltage from charger or charge point call Stairlifts Direct.
C3 CodeYour stairlift is getting too much voltage from charger or charge point please call stairlifts direct for a stairlift repair.
C4 CodeThe stairlift batteries are fully charged. this is normal.
C5 Codethe charger is working but no batteries are detected in your chairlift, please call stairlifts direct for a stair lift repair.
E1 CodeThe down side of the stair lift footrest has been activated please check for obstructions.
E2 CodeThe up side of the stair lift footrest has been activated please check for obstructions.
E3 CodeThe down side of the stair lift footrest has been activated please check for obstructions. under the footplate.
E4 CodeThe down side of the stair lift carriage has been activated please check for obstructions.
E5 CodeThe up side of the stair lift carriage has been activated please check for obstructions.
E6 CodeThe seat on the chairlift is currently swiveled, please set the stair lift seat to operating mode by having the back of the seat facing the wall.
E7 CodeThe stair lift batteries are low, please move the stairlift too a charging point and allow to charge.
E8 CodeThe temperature of the stair lifts PCB control board is too high, please switch off the stair lift and allow to cool down. If this problem persists you should call a stairlift repair company.
E9 CodeTheir is a problem with the levelling motor or levelling encoder on the stairlift please call a stairlift repair company for assistance.
F1 CodeTheir is a relay fault on the stair lift control board, please call a stair lift repairs company for assistance.
F2 CodeThe stairlift is experiencing a motor brake fault, please call Stairlifts Direct for a stairlift repair.
F3 CodeThe weight limit of the chair lift has been exceeded or the stairlift has a faulty motor, you should seek a stairlift engineers assistance.
F4 CodeThe tilt motor on the chair lift is working too hard or over current please check for obstructions, alternatively call a stairs lift repair company.
F5 CodeYour stair lift batteries are extremely low please drive the lift to the nearest charging point and leave for a few hours to recharge.
F6 CodeThe final limit switch has been engaged, please move the stairlift away from the limit ramp or switch.
F7 CodeThe overspeed governor has been activated in the stairlift, please hand wind the stairs lift in the UP DIRECTON only for a few inches.
F8 CodeTilt Limit switch has detected an imbalance in the level of the stairlift or the stair lift rail, please seek the help of a stairlift company to rectify this issue.
F9 CodeThe photo sensor for the osg is not operating correctly. Please wipe the sensor and ensure no dirt or grime is present on the stairlift rail.
H1 CodeWiring issue from a safety switch please call a local stairlift repair company.
H2 CodeLevelling system fault. The automatic levelling system in the stair lift is experiencing a fault, call a stair lift repair engineer.
H3 CodeTheir is a communication issue with the hinge. Check that the main control box still has power.
H4 CodeU2 processor fault. restart the stairlift by powering off and on. If this does not resolve contact  for a stair-lift repair.
H5 CodeYour stairlift has lost its program memory please restart the lift. if the issue persists call stairlifts direct.
H6 CodeThe hinged rail on the stairlift can not move up or down . Please check for any obstructions. or call a local lift repair company.
H7 CodeThe stairs lift has over tilted due to a faulty levelling encoder, call a stairlift company.
H8 CodeThe stairlifts voltage is at its maximum please power off the stair lift and restart to see if the issue resolves itself.
H9 CodeTheir is a problem with the accelerometer in the stair lift please restart the chair lift.
J1 CodeLevelling difference in the stairlift detected please drive the stair lift to the top charge point.
J2 CodeDriving position difference has been detected in your stairlift please drive the stairlift to the top charge point to save.
J3 CodeThis is a self levelling safety feature in the stairlift. please drive the stairlift to the top of the rail to store or clear the fault code.
J4 CodeProgram not recognized please reprogram the stair lift, if this persists you could have a stairlift encoder fault.
J5 CodeThe stairlift failed to store the program or the program file has been corrupted.
J6 CodePosition overrun please drive lift to top charge point to clear.
J8 CodeThis is the hinges active point to close the hinge.
U1 CodeThis is a program mode set handed side of the stairlift.
U2 / U3 CodeLeft / right hand mode selected.
P1 / P2 / P3 CodeThese are different stages of programming mode on the stairlift.
P4 CodeThe program has failed and is not stored.
P8 CodeThe stairlift controller is now locked.
P9 CodeThe stairlift is now waiting to detect a powered hinge on the rail.
L9 CodeThis is the setting for the levelling settings on the stairlift.

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