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Summary of Contents for KERN MCC-NM
- Page 1 KERN & Sohn GmbH Ziegelei 1 Tel: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933- E-Mail: info@kern- sohn.com Internet: www.kern- sohn.com Service Manual Medical Chair scale KERN MCC-NM Type MCC 250K100NM Version 1.0 07/2018 MCC-NM-SH-e-1810...
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Page 2: Table Of Contents
KERN MCC-NM Version 1.0 07/2018 Servicemanual Content Basic Information................... 3 Introdution ...................... 3 Appliance overview ..................4 Overview of display ........................7 Keyboard overview ........................8 Installing the chair scales ......................9 3.3.1 Levelling ........................... 10 Mains connection ........................12 3.4.1... -
Page 3: Basic Information
Any safety information in respect for verification are also described in the accompanying manual 2 Introdution This service manual covers the MCC series and is edited for the authorized servicing personnel. Note all rights are reserved. Copying any part of this manual is prohibited without our permission. MCC-NM-SH-e-1810... -
Page 4: Appliance Overview
3 Appliance overview 1. Seat pan 2. Bubble level 3. Display Unit 4. Manipulations 5. Parking brake 6. Adjustment switch 7. Terminal power supply unit 8. Connection cable "Display - Chair" 9. Battery compartment MCC-NM-SH-e-1810... - Page 5 Details: Accessory bag Parking brake open Parking brake closed Foot rest and adjustment foot MCC-NM-SH-e-1810...
- Page 6 Folding arm rests MCC-NM-SH-e-1810...
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Page 7: Overview Of Display
HOLD HOLD function Is displayed with active hold function Lights when the voltage drops below the prescribed minimum. Rechargeable battery Lights when the rechargeable battery symbol capacity is almost exhausted. Lights when the rechargeable battery is fully charged. MCC-NM-SH-e-1810... -
Page 8: Keyboard Overview
Function key Call up menu How to select menu items For numeric entry: Increase numerical value Weighing scale will be reset to „0.0“ Zero setting key For numeric entry: Change decimal place TARE key Tare balance MCC-NM-SH-e-1810... -
Page 9: Installing The Chair Scales
Check if the air bubble of the level is within the prescribed circle. If the air bubble of the bubble level is not in the required circle, level the balance using the adjustment feet as specified in the following chapter 8.4.1: Check levelling regularly. MCC-NM-SH-e-1810... -
Page 10: Levelling
Place scales on an even surface. Lock brakes Turn the wheel (1) until the air bubble of the bubble level is in the black circle Turn the counternuts (2) right to the top. MCC-NM-SH-e-1810... - Page 11 Gap width must not exceed 15 mm! Use the adjustment feet to fix the chair at the front rollers MCC-NM-SH-e-1810...
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Page 12: Mains Connection
Power is supplied via the external mains adapter.The printed voltage must correspond to the local voltage. Only approved genuine KERN power supply units may be used in compliance with Directive EN 60601-1. The small sticker attached to the side of the display unit indicates the power port: The LED remains illuminated as long as the weighing scale remains connected to the mains. -
Page 13: Rechargeable Battery Operation
.Change batteries.To save battery power, the balance switches off automatically (see chap.11.6 Auto off). Capacity of batteries exhausted. Batteries will soon be flat. Batteries are completely charged MCC-NM-SH-e-1810... -
Page 14: Initial Commissioning
(mains, accumulator or battery) and be switched on. The accuracy of the balance depends on the local acceleration of gravity. The value of gravity acceleration is shown on the type plate. MCC-NM-SH-e-1810... -
Page 15: Menu
Confirm selected function by .The current setting will be displayed. Select desired setting by and confirm with the balance returns to the menu. Exit menu/ Press and the scales will return to weighing mode. Return to weighing mode MCC-NM-SH-e-1810... -
Page 16: Menu Overview
It display shows "Pin" adjust switch. Service menu Then press subsequently P1 Spd Display speed Not documented P2 CAL Adjustment, see chap. 16.1 P3 Pro tri* Not documented Not documented CoUnt Reset weighing scale to factory setting rESEt SEtGrA Not documented * default setting MCC-NM-SH-e-1810... -
Page 17: Verification
The weighing result of the balance is outside the error limit.Therefore, in regular intervals load balance with known test weight (ca. 1/3 of the max. load) and compare with displayed value. The reverification deadline has been exceeded. MCC-NM-SH-e-1810... -
Page 18: Verification Validity Period (Current Status In G)
Rehab clinics and health authorities are treated as hospitals. (4 years of verification validity) Not treated as hospitals (verification validity not limited) are dialysis stations, nursing homes and doctor’s surgeries. (Details derived from: „Information by the verification authority, weighing scales applied in medical use“) MCC-NM-SH-e-1810... -
Page 19: Adjustment
MCC-NM Instruction manual see chpt 1. Access to service menu „tCH“ is locked in verified balances. To disable the access lock, destroy the seal and actuate the adjustment switch. Position of the adjustment switch see MCC-NM Instruction manual chap. 15. Attention:... - Page 20 , [Pin] is displayed Press subsequently, [P1 SPd] will appear , „P2 CAL“ will be displayed Press Operate adjustment switch; for position see MCC-NM Instruction manual chap.15 Press , [dESC] is displayed Press repeatedlyuntil [CAL] will be displayed.
- Page 21 An adjusting error or incorrect adjusting weight will be indicated by the error message; repeat adjustment procedure. An adjusting error or incorrect adjustment weight will generate an error message („Err 4“), repeat the adjustment process. MCC-NM-SH-e-1810...
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Page 22: Maintenance
8 MAINTENANCE 8.1 Service, maintenance The appliance may only be opened by trained service technicians who are authorized by KERN. Disconnect the scales before opening. 8.2 Error Codes Display Description Zero range exceeded (on start-up or when pressing the key) ... -
Page 23: Check The Load Cell
Check Battery Voltage and Charging Voltage Check the Battery Voltage, Voltage must be minimum 6VDC. If below the 6VDC connect the adaptor for charging The battery voltage below the 5.5VDC, replace the battery and install new 6V/3.4Ah battery. Check the Battery Charging Voltage; MCC-NM-SH-e-1810... - Page 24 Remove the battery connection terminals (Red and Black) from the battery. Connect the power and turn on the scale Voltage into the terminal minimum 6.5VDC MCC-NM-SH-e-1810...
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Page 25: Trouble Shooting
Check the weighing unit and Parameters are set parameter settings. incorrectly. Check the load cell. AD problem. Load cell or mechanism damaged Platform Corner Over load protection Check the stoppers and locks under MCC-NM-SH-e-1810... - Page 26 Use accurate weight for to do the Load cell or calibration mechanism damaged Check the load cell. Battery not Mains voltage problem Check the mains and adaptor. charging Charging circuit Check the battery. problem Check the charging circuit Battery Problem MCC-NM-SH-e-1810...
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Page 27: Drawing
DRAWING MCC-NM-SH-e-1810...
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