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Ascendor PLK8 - User Manual

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Platform stair lift PLG7 / PLK8
ORIGINAL-user manual
Part 3: Maintenance and Service Manual
Description of PLC Diagnostic System
English Version 2.14
ASCENDOR GMBH
Drautendorf 48
4174 Niederwaldkirchen
Austria
Tel.: +43 7231 40040
Fax: +43 7231 40040-590
office@ascendor.com
www.ascendor.com

Table of Contents

Questions and Answers

  • W
    wbraySep 23, 2025
    What to do if there is a short circuit of platform or safety bar motor on Ascendor Stairlifts?
    • S
      stephanie32Sep 23, 2025
      Replace the 7,5 A fuse. Check freedom of movement of safety bars and / or platform motor operation. Straighten lever of b19 switch, or replace the switch
  • T
    tina55Aug 23, 2025
    What to do if Ascendor Stairlifts platform is overloaded?
    • T
      Thomas FarmerAug 23, 2025
      If your Ascendor Stairlifts platform is overloaded, reduce the weight on the platform.
  • A
    Andrew FrenchAug 25, 2025
    What to do if Ascendor Stairlifts loading ramp or contact sensor strip fault?
    • T
      thomaswilliamsAug 26, 2025
      If you are experiencing a fault with the loading ramp or contact sensor strip on your Ascendor Stairlifts, it is likely due to an obstacle activating the contact tray or sensor strip on the access ramp. Remove the obstacle and ensure that the access ramp and contact tray can move freely.
  • A
    Anita MooreAug 26, 2025
    What to do if Ascendor Stairlifts safety bar manually opened?
    • C
      Cindy ArnoldAug 27, 2025
      If the safety bar on your Ascendor Stairlifts has been opened by hand, close it by pressing the UP or DOWN button.
  • S
    Sarah RossAug 27, 2025
    What to do if Ascendor PLK8 shows low voltage or no charge in batteries?
    • K
      Katrina SandersAug 27, 2025
      If your Ascendor Stairlifts displays a low voltage or no charge error, ensure the lift is parked at a charging station by using the UP or DOWN button to move it there. Also, check that the recharger is properly plugged in and functioning. If it's not, check the power supply.
  • G
    Glenn DoyleSep 15, 2025
    What to do if Ascendor PLK8 are too heavily loaded?
    • R
      randersenSep 15, 2025
      If your Ascendor Stairlift is too heavily loaded, reduce the weight on the platform.
  • F
    floresamandaSep 12, 2025
    What to do if an obstacle blocks Ascendor Stairlifts?
    • M
      Mark RiveraSep 13, 2025
      If an obstacle is blocking the movement of the safety bar or platform on your Ascendor Stairlifts, remove the obstacle.
  • D
    Deborah HoustonSep 14, 2025
    How to close the safety bar on Ascendor Stairlifts?
    • C
      Christine GilbertSep 14, 2025
      If the safety bar on your Ascendor Stairlifts has been opened by hand, close it by pressing the UP or DOWN button.
  • S
    Sheena MartinSep 5, 2025
    What to do if Ascendor PLK8 roller monitoring safety catcher fault?
    • S
      sarah86Sep 5, 2025
      Call a service technician to adjust or replace roll monitoring sensor if the monitoring roller of the safety gear is operating sporadically or not at all.
  • V
    Victoria MillerSep 2, 2025
    What to do if Ascendor Stairlifts fuse F2 is broken?
    • T
      Troy WoodSep 2, 2025
      If the F2 fuse is broken on your Ascendor Stairlifts, replace the 7.5 A fuse. Also, check for free movement of the safety bars and platform motor operation.

Summary

Introduction and Safety

Introduction

Manual describes equipment tools available at time of writing and reserves right to alter content.

Health and Safety Regulations

All service work requires trained personnel; disconnect power and batteries before starting.

Storage Precautions

If lift is not installed immediately, batteries must be disconnected from the circuit for storage.

Service Schedule and Procedures

Front Plastic Cover Removal

For many service tasks, it is necessary to remove the front plastic cover.

Service Schedule Overview

Routine checks and maintenance tasks for the platform stair lift.

Control System Checks

Verifies functionality of remote, onboard controls, safety equipment, and access ramps.

Mechanical, Rail, and Component Service

Covers travel rail, platform lift service, lubrication, and battery checks.

Documentation, Tools, and Spare Parts

Guidelines for documentation, required tools, inspector checks, and recommended spare parts.

Component Functions and Troubleshooting

Switch and Button Functions

Details the position and function of various switches and buttons (b1-b28) on the lift system.

Trouble Shooting Guide

Provides a guide to identify and resolve common faults and display prompts with solutions.

Motor Controller Failure Codes

Explains LED codes and indicators for motor controller faults and error messages.

PLC Diagnostic System

Explains normal operation, menu navigation, I/O status, and operational data for PLC diagnostics.

Motor Monitoring and Settings

Details onboard control, platform motor current monitoring, and analog PLC/flasher parameter adjustments.

Component Replacement and System Integration

Fuse Identification

Identifies the location and ratings of fuses on the lift unit.

Manual Platform Operation

Provides methods for opening the platform without using the remote control.

Adjusting System Settings

Instructions for adjusting platform angle, safety bar clutch/position, and access ramp angles.

Remote Control Setup

Procedure for memorizing remote controls by interacting with the radio receiver.

Safety Catchers and Limit Switches

Steps for disassembling, resetting, testing, and removing safety catchers and limit switches.

Drive Motor and Safety Bar Motors

Detailed instructions for removing the drive motor, gearbox, and safety bar motors.

PLC Program Transfer

Instructions for importing a new PLC program via a memory card and conducting operational tests.

Wiring Diagrams and Service Plan

Main Circuit Board Wiring

Detailed wiring diagram of the main circuit board and explanation of LED status indicators.

System Wiring Diagrams

Provides comprehensive wiring diagrams for various components and control systems of the lift.

Service Plan

A log for recording service history, including installation, dates, counters, and technician signatures.

Ascendor PLK8 Specifications

General IconGeneral
Speed0.15 m/s
DriveRack and pinion
Battery BackupYes
Rail LengthCustomizable
Safety FeaturesSeatbelt
ApplicationResidential
Footrest TypeFolding
ArmrestsYes
Control Typeremote control

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