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Summary of Contents for KERN HFM
- Page 1 KERN & Sohn GmbH Ziegelei 1 Tel: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com Internet: www.kern-sohn.com Service manual Crane scale KERN HFM Version 1.0 12/2011 HFM-SH-e-1110...
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Page 2: Table Of Contents
KERN HFM Version 1.0 12/2011 Service manual Crane scale CONTENTS Basic information ....................3 General safety regulations ................4 Owner’s duties ......................4 Organizational measures ..................4 Ambient conditions ....................4 Intended use ......................5 Safety conscious working methods ..............5 Menu ........................ -
Page 3: Basic Information
Das Gerät muss nach erfolgter Reparatur wieder in den Originalzustand zurückversetzt werden. Es dürfen nur Originalersatzteile verwendet werden. Sollte es notwendig sein, ein lasttragendes Teil zu tauschen, so müssen in diesem Falle aus Sicherheitsgründen ALLE lasttragenden Teile getauscht werden. Die Sicherheitslasche am Haken darf getauscht werden. HFM-SH-e-1110... -
Page 4: General Safety Regulations
▲ Have installation, commissioning and maintenance carried out by specially trained personnel only. ▲ The crane scale may only be repaired by authorized KERN service personnel. ▲ Have all safety inspections and repairs logged in the lists in the User manual. -
Page 5: Intended Use
Decommissioning and storage ▲ When the crane scale is not in use, always remove all load attachment equip- ment from the crane scale and remove the crane scale from the crane. ▲ Do not store the crane scale outdoors. HFM-SH-e-1110... -
Page 6: Menu
Use the button to switch over into the Change settings available settings. Press the ZERO button, the balance returns into the Confirm setting menu. Exit menu / Return to Press the HOLD button. weighing mode HFM-SH-e-1110... -
Page 7: Menu Overview
Personal password entry value of the blinking digit by one. „P1 - - - “ Pressing the HOLD button moves the digit. Confirm with ZERO button. F9 CL Adjustment, see chapter 4 * = default setting HFM-SH-e-1110... -
Page 8: Setup Of Capacity (Maximum Load)
Pressing the HOLD button moves the digit. The current capacity is displayed, e.g. 1000 Press button to change the capacity and confirm with ZERO button. Now balance will return to normal weighing mode. Switch off the balance and remove the jumper J2. HFM-SH-e-1110... -
Page 9: Adjustment
Press the ZERO button. After successful adjustment the balance carries out a selftest, then it automatically returns to weighing mode. An adjusting error or incorrect adjusting weight will be indicated by the error message; repeat adjustment procedure HFM-SH-e-1110... -
Page 10: Trouble Shooting
• Load cell is damaged. Check the load cell connections and all. OL or( -------) appear the display: • Maximum capacity exceeded. • Power supply faulty. Check all power cables and connecters. • Calibrate again with correct calibration weights. • Load cell damaged. Check load cell connections. HFM-SH-e-1110... - Page 11 • Load cell damaged. Check load cell connections and connectors. • Main Board problem. Battery not charging: • Mains voltage problem. Check the power supply voltage and adaptor voltage. • Charging circuit failure. • Battery failure. Check the battery connections. HFM-SH-e-1110...
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Page 12: Maintenance
6.2 Replacement of rechargeable battery 1. Remove the four screws from the back cover. 2. Open the battery case and replace the rechargeable battery. 3. After replacement close the battery case. 4. Fix the four screws from the back cover. HFM-SH-e-1110... -
Page 13: Regular Maintenance
(KERN customer service). Never do repair it by yourself! Take balance out of operation immediately! All repairs and spare parts must be documented by the service partner . -
Page 14: Spare Parts
7 Spare parts 7.1 Exploded drawing HFM-SH-e-1110... -
Page 15: Parts List
When it becomes necessary to replace a load-bearing part, ALL load- bearing parts need to be replaced for safety reasons. Therefore position 1 and 11 are only available as a complete kit and not separately. The safety bracket on the hook may be changed. HFM-SH-e-1110... -
Page 16: Circuit Diagram
8 Circuit diagram HFM-SH-e-1110...