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DoorHan DS Series - User Manual

DoorHan DS Series
36 pages
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DOCK LEVELER
WITH TELESCOPIC LIP SERIE DS/DSI
© DoorHan, 2015
Original installation and operation instruction
MANUFACTURER’S DECLARATION
OF CONFORMITY
2
GENERAL INFORMATION
2
SAFETY RULES
3
SAFETY FEATURES
4
GENERAL VIEW
5
PACKAGE
6
INSTALLATION
6
OPERATION
10
MAINTENANCE
11
TROUBLESHOOTING
12
APPENDIXES
13

Table of Contents

Questions and Answers

  • T
    tylerweaverAug 18, 2025
    How to troubleshoot a DoorHan DS Lifting Systems dock leveller that is not raised (the motor is not running)?
    • W
      williamsjamesAug 18, 2025
      If the DoorHan Lifting Systems dock leveller isn't raising and the motor isn't running, check the following: * Ensure the system has mains supply by checking the electrical cables. * Inspect and replace the main power fuse in the control unit if it's blown. Refer to the control unit manual for guidance. * Verify the safety (limit) switch with the door to ensure it is functioning correctly.
  • C
    Charles JimenezAug 21, 2025
    What to do if DoorHan Lifting Systems dock leveler does not lower?
    • I
      Isabella SandersAug 21, 2025
      If your DoorHan Lifting Systems dock leveler isn't lowering, possible causes include: * A damaged oil backflow valve. Consider replacing the valve. * A damaged solenoid coil. Replace the solenoid coil. * A misadjusted flow control valve. Check the flow control valve adjustment. * A blocked hose break safety valve. Inspect and adjust the valve in the main cylinder. * No voltage on the solenoid coil. Check connections and electrical wires to the solenoid coil.
  • R
    Robin WardAug 25, 2025
    Why is the rising speed too slow on my DoorHan DS dock leveller?
    • C
      christophercontrerasAug 26, 2025
      If the DoorHan Lifting Systems dock leveller rising speed is too slow, consider these potential causes: * Low phase voltage: Check electrical connections and voltage phase. * Leaking fluid: Find and fix the leak. * Misaligned relief valve: Check the settings of relief valve.
  • P
    Paul DavisAug 28, 2025
    What causes a DoorHan DS dock leveller not to rise to the required height?
    • R
      Randall PetersonAug 28, 2025
      If a DoorHan Lifting Systems dock leveller isn't reaching the required height, it could be due to: * Low fluid level in the power pack tank. Refill the fluid to the normal level. * An unauthorized object or unlubricated rear hinges. Remove any obstructions and lubricate the joints. * A misaligned relief valve. Check the settings of the relief valve.
  • N
    Nicholas RogersSep 1, 2025
    What to do if the lip is not coming out on my DoorHan Lifting Systems dock leveller?
    • J
      Jesse HernandezSep 1, 2025
      If the lip of your DoorHan Lifting Systems dock leveller is not coming out, consider the following: * Check the level of the working fluid and fill if necessary. * The solenoid valve or the solenoid coil may be damaged and need replacement. * Ensure there is voltage on the solenoid coil by checking connections and electrical wires. * Inspect the dock leveller structure for any unauthorized objects and remove them.
  • M
    Michael WardSep 4, 2025
    Why is the lip not coming in on my DoorHan Lifting Systems dock leveller?
    • B
      Billy JohnsonSep 4, 2025
      If the lip of your DoorHan Lifting Systems dock leveller is not retracting, consider these potential issues: * Check the level of the working fluid and replenish if needed. * A damaged solenoid valve or solenoid coil could be the cause. Replace the affected component. * Ensure proper voltage to the solenoid coil by checking connections and electrical wires. * Inspect the lip's pushing-in structure for any unauthorized objects and remove them.
  • S
    Scott GrahamSep 7, 2025
    Why is the lip coming out slowly on my DoorHan DS Lifting Systems dock leveller?
    • M
      Monique MontgomerySep 7, 2025
      If the lip on your DoorHan Lifting Systems dock leveller extends slowly, check these items: * Ensure the working fluid is at the correct level, and add fluid if necessary. * If the working fluid viscosity is too high, replace the fluid. * Verify that the relief valve adjustment is correct.
  • M
    Melody WilkinsonSep 12, 2025
    Why is the lip coming in slowly on my DoorHan DS dock leveller?
    • K
      Kimberly LittleSep 12, 2025
      If the lip on your DoorHan Lifting Systems dock leveller retracts slowly, check these potential issues: * Ensure the working fluid level is adequate, and add fluid if needed. * If the working fluid's viscosity is too high, replace it. * Verify the relief valve adjustment.
  • H
    Hannah OliverNov 14, 2025
    What to do if the DoorHan DS Lifting Systems dock leveller is not raised but the motor is running?
    • M
      morgankimberlyNov 14, 2025
      If the DoorHan Lifting Systems dock leveller motor is running but the platform isn't rising, several issues could be the cause: * The working fluid level in the hydraulic system might be low. Check the fluid level and replenish if needed. * There may be a load on the dock leveller. Remove any load. * The power pack electric motor could have incorrect phasing. Correct this by changing any two incoming main power phases in the control unit. * A cylinder or hose may be damaged. Replace any damaged hydraulic system components. * The flow control valve or relief valve might be misaligned. Check their settings. * The solenoid coil or cartridge solenoid valve might be damaged. Replace the coil or the valve. * There might be no voltage on the solenoid coil. Check connections and ele...

DoorHan DS Series Specifications

General IconGeneral
BrandDoorHan
ModelDS Series
CategoryLifting Systems
LanguageEnglish