Columbus McKinnon CM LODESTAR A-H Operating, Maintenance & Parts Manual
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Columbus McKinnon CM LODESTAR A-H Operating, Maintenance & Parts Manual

Electric chain hoist variable frequency drive supplement
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OPERATING, MAINTENANCE
& PARTS MANUAL
ElEctRic chain hOiSt
VaRiabLe FRequency dRiVe suppLement
Before installing hoist, fill in the information below.
Model Number
Serial No.
Purchase Date
Voltage
Rated Load
Rated Loads 1/8 to 3 tonnes
125 Kg to 3000 Kg
Follow all instructions and warning for inspecting,
maintaining and operating this hoist.
The use of any hoist presents some risk of personal injury
or property damage. That risk is greatly increased if proper
instructions and warnings are not followed. Before using
this hoist, each operator should become thoroughly familiar
with all warnings, instructions and recommendations in this
manual. Retain this manual for future reference and use.
Forward this manual to operator. Failure to operate equipment
as directed in manual may cause injury.
P/N: 10001609 (REV AB) 627NH December 2014

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Questions and answers

Ed Haydin
April 18, 2025

I have an old model F electric CM chain hoist that has a jammed chain. What is the procedure to unjam the chain? It jammed while lowering the chain with an empty load. It tries to lower the chain but just hums. It will not attempt to raise the load by operating the control.

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Summary of Contents for Columbus McKinnon CM LODESTAR A-H

  • Page 1 OPERATING, MAINTENANCE & PARTS MANUAL ElEctRic chain hOiSt VaRiabLe FRequency dRiVe suppLement Before installing hoist, fill in the information below. Model Number Serial No. Purchase Date Voltage Rated Load Rated Loads 1/8 to 3 tonnes 125 Kg to 3000 Kg Follow all instructions and warning for inspecting, maintaining and operating this hoist.

  • Page 2: Table Of Contents

    FoReWoRd This manual contains important information to help you properly install, operate and maintain your hoist for maximum performance, economy and safety. Please study its contents thoroughly before putting your hoist into operation. By practicing correct operating procedures and by carrying out the recommended preventive maintenance suggestions, you will experience long, dependable and safe service.

  • Page 3: Electromotive Impulse® •G+ Mini Adjustable Frequency Drives

    Magnatek Company, the Impulse •G+ Mini adjustable frequency operate properly. For proper operation, the voltage, (measured at the drives have been mounted inside most Columbus McKinnon (CM ® end of the standard power cord with the hoist operating in the £ (UP) chain hoists.

  • Page 4: Operating Instructions

    d. 2 step infinitely variable control. Partially depress the up or down push button and the speed of the hoist will gradually increase to the slow speed point. Fully depress the button and the speed of the hoist will gradually increase to fast speed operation.
  • Page 5 On two and three part reeved hoists, check for twists in the load chain. A twist can occur if the lower hook block has been capsized between the strands of chain. Reverse the capsize to remove twist. Allowing the load to bear against the hook latch and/or hook tip can result in loss of load.

  • Page 6: Wiring Diagrams

    WIRING DIAGRAM LODESTAR MODELS A-H 380-480 VOLT 3 PHASE WITH VARIABLE SPEED DRIVE P/N: 10001609 (REV AB) 627NH December 2014...
  • Page 7 WIRING DIAGRAM LODESTAR MODELS A-H 208-230 VOLT 3 PHASE WITH VARIABLE SPEED DRIVE P/N: 10001609 (REV AB) 627NH December 2014...
  • Page 8 WIRING DIAGRAM LODESTAR MODELS J THRU RRT, 440-480 VOLT 3 PHASE WITH VARIABLE SPEED DRIVE P/N: 10001609 (REV AB) 627NH December 2014...
  • Page 9 WIRING DIAGRAM LODESTAR MODELS J THRU RRT, 208-230 VOLT 3 PHASE WITH VARIABLE SPEED DRIVE P/N: 10001609 (REV AB) 627NH December 2014...

  • Page 10: Parts Diagrams

    V1 CONTACTOR PLATE ASSEMBLIES V1 CONTACTOR PLATE ASSEMBLIES HOIST BRAKE END HOIST MOTOR END ITEM NO. PART NUMBER DESCRIPTION ITEM NO. PART NUMBER DESCRIPTION QTY. 28968 AFD BRACKET 28968 AFD BRACKET 38953 VFD G+MINI, 1/2 HP 38954 VFD 3/4HP 460V 38953 VFD G+MINI, 1/2 HP 70246...
  • Page 11 V2 AND RRS CONTACTOR PLATE ASSEMBLIES V2 AND RRS CONTACTOR PLATE ASSEMBLIES ITEM NO. PART NUMBER DESCRIPTION QTY. 10001056 RRS VFD CONTROLS BRACKET ITEM NO. PART NUMBER DESCRIPTION 00000339 V2 VFD CONTROLS BRACKET 38955 VFD 1HP 230V 10001056 RRS VFD CONTROLS BRACKET 38956 VFD 1HP 406V 00000339...
  • Page 12 V1 BRAKE END COVER DETAIL V1 BRAkE END COVER DETAIL ITEM NO. PART NUMBER DESCRIPTION QTY. ITEM NO. PART NUMBER DESCRIPTION 28958 27025 DYNAMIC BRAKING RESISTOR - 250 OHM COVER 28958 DYNAMIC BRAKING RESISTOR - 250 OHM 28959 DYNAMIC BRAKING RESISTOR - 500 OHM 28959 DYNAMIC BRAKING RESISTOR - 500 OHM 982537...
  • Page 13 V2 AND RRS BRAKE END COVER DETAIL V2 AND RRS BRAkE END COVER DETAIL ITEM NO. PART NUMBER DESCRIPTION ITEM NO. PART NUMBER DESCRIPTION QTY. 35262 CVR BACK FRAME MOD. J THRU RRT 35262 CVR BACK FRAME MOD. J THRU RRT 968752 SCREW BRAKE COVER 982251...
  • Page 14 COMPLETE CONTROL CORD AND STATION ASSEMBLY VFD, 3-SPEED HOIST CONTROL STATION 1.1.2 1.1.4 1.1.2 1.1.2 1.1.1 1.1.3 1.1.4 1.1.5 1.1.4 ITEM NO. PART NUMBER DESCRIPTION 28079 STATION ASSEMBLY AND CONTROL CORD FOR 10 FOOT LIFT 28080 STATION ASSEMBLY AND CONTROL CORD FOR 15 FOOT LIFT 28081 STATION ASSEMBLY AND CONTROL CORD FOR 20 FOOT LIFT 58296...

  • Page 15: Programming The Adjustable Frequency Drive

    pRogRamming tHe adJustabLe FRequency dRiVe USING THE kEYPAD All functions of the drive are accessed using the keypad. The information needed to configure the drive’s application is entered into the drive by using the functional LEDs. This information is stored into the drive’s memory. kEYPAD FUNCTIONS The keypad has a 5-digit LED display.
  • Page 16 kEYPAD LED AND BUTTON FUNCTIONS Some of the keypad buttons, whose functions are described below, are dual-purpose. the dual- purpose keys have one function when used in a view-only mode and another function when used in a programming mode.: kEYS AND DISPLAYS ON THE LED OPERATOR DISPLAY NAME FUNCTION...

  • Page 17: Parameters

    FUNCTION LEDS Display Flashing When an alarm occurs When the drive detects OPE detected Normal state (no fault or alarm) an alarm or error When a fault or error occurs during Auto-TUning When the REVERSE When the FORWARD — command is given command is given Drive Ready Auto-Tuning —...
  • Page 18 IMpulse•G+ MINI structure of paraMeters Frequency Reference Setting Sets/Displays the drive operation speed (Hz). Output Frequency Monitor Displays the output frequency (Hz.) at which the drive is currently operating. This is a monitor only function; the operator cannot change the displayed value by use of the keypad.
  • Page 19 MONITOR PARAMETERS PARAMETER CODE NAME FUNCTION UNITS MONITOR U01.01 Frequency Reference Frequency Reference U01.02 Output Frequency Inverter Output Frequency U01.03 Output Current Inverter Output current U01.04 Control method Displays the value of A01.02 — U01.05 Motor Speed Motor Speed (OLV only) —...
  • Page 20 MONITOR PARAMETERS PARAMETER CODE NAME FUNCTION UNITS MONITOR U01.13 Elapsed Time Elapsed Time hours U01.14 Flash ID Flash ROM software ID number U01.15 Terminal A1 Level External Terminal input level U01.16 Terminal A2 Level External Terminal input level V/mA U01.20 Output Frequency after Soft Start U01.28 Software CPU...
  • Page 21 MONITOR PARAMETERS PARAMETER CODE NAME FUNCTION UNITS FAULT TRACE U02.13 Operation Status @ Fault Inverter status before fault was detected U02.14 Elapsed Time @ Fault Elapsed time when fault was detected Speed reference during soft start at U02.15 Speed Reference During Soft Start @ Fault previous fault U02.16 Motor q-Axis Current During Fault...
  • Page 22 MONITOR PARAMETERS PARAMETER CODE NAME FUNCTION UNITS MAINTENANCE Lights all segments of the LED to verify U04.09 LED Check that the display is working properly U04.10 kWh: Lower 4 Digits U04.11 kWh: Upper 5 Digits U04.12 CPU Resources Used U04.13 Peak Hold Current U04.14 Peak Hold Output Frequency...

  • Page 23: Specifications

    IMpulse G+MINI aDJustaBle freQueNcY DrIVe specIfIcatIoNs Specification Specification Value and Information for all Models Certification UL, cUL, CE, TüV, RoHS Rated input power supply volts & frequency 3-phase 200~240V or 380~480V: 50/60 Hz Allowable input voltage fluctuation +10% or -15% of nominal Allowable input frequency fluctuation ±5% of nominal Control method...

  • Page 24: Speed Control Methods

    SPEED CONTROL METHODS The IMPULSE.G+Mini provides 1-step, 2-step or 3-step Multi-Step control methods. For each input that is energized, the drive begins to operate at the corresponding frequency. If 1, 2 or 3-step is desired, then the frequency reference for the 1st, 2nd or 3rd step will be set at the maximum desired speed of operation.

  • Page 25: Factory Settings

    FACTORY SETTINGS OF PARAMETERS CONTROL PARAMETER SETTING B05.01 (Acceleration Time) 3.0 Sec. B05.02 (Deceleration Time) 3.0 Sec. B01.01 (First Speed) 10 Hz. 1 step, 2 step and 3 step B01.02 (Second Speed) over 10 Hz. thru 60 Hz. B01.03 (Third Speed) over 10 Hz.
  • Page 26 FACTORY SETTINGS OF PARAMETERS FAULT CODE FAULT OR INDICATOR NAME/DESCRIPTION CORRECTIVE ACTION External Base Block Indicator. The flashing base block signal is the result of a multi function input in the terminal strip. The base block indicates that the 1. Check constants H01.01 through H01.07 drive’s IGBTs have been disabled.
  • Page 27 Drive Capacity Signal Fault. Entered a capacity that does not exist 1. Cycle power to the drive. CPF24 (checked when the drive is powered up.) 2. Replace the drive. Cannot reset. External fault occurred and reset button was pressed before motor 1.
  • Page 28 OH (flashing) Overheat Pre-Alarm. Heatsink is overheating. The temperature of the inverters 1. The inverter cooling fan has stopped. Heatsnk Over heatsink exceeded the setting in L08.02. 2. Reduce the ambient temperature. temp Overheat Fault. There are two situations that result in an overheat fault. The first 1.
  • Page 29 1. May not require corrective action. 2. Check the position of the Limit Switch. Upper Limit 2-Stop Indicator. Upper Limit 2-STOP switch status is changed. 3. Check the condition of the Limit Switch. Upper Limt 2 Err 4. Check the conditions of/for input terminal H01.XX (U01.10) 1.

  • Page 30: Warranty

    eLectRomotiVe systems Limited WaRRanty Electromotive Systems, hereafter referred to as Company, guarantees that the drive has been manufactured by it against any defects of material and/or workmanship for a period of two years from the date of shipment. Company makes NO OTHER WARRANTY, EXPRESSED OR IMPLIED, AS TO THE MERCHANTABILITY OR FITNESS OF THE ITEMS FOR THEIR INTENDED USE OR AS TO THEIR PERFORMANCE.
  • Page 31 Notes P/N: 10001609 (REV AB) 627NH December 2014...
  • Page 32 USa: Ph: (800) 888.0985 (716) 689.5400 Fax: (716) 689.5644 • • canaDa: Ph: (877) 264.6478 Fax: (877) 264.6477 • P/N: 10001609 REV. AB (627NH) 12/14 BJB © 2014 Columbus McKinnon Corporation. All Rights Reserved.

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