Hardy HI 4050, User Manual

Page: 143 / 192

Troubleshooting 135
•
•
•
•
•
•
Chapter 8
• • • • • •
Troubleshooting
Chapter 8 provides procedures for troubleshooting the electrical, mechanical and firmware
elements of the HI 4050 and for using Hardy’s Integrated Technician (IT
®
) software utility
to isolate problems. Flow charts provide troubleshooting steps for the weight controller,
load cells, and cabling. Chapter Eight also provides
Disassembly and Reassembly Notes, Warnings and Cautions
Always disconnect the power cord before disassembling.
•
Ensure that any disassembly is done in a clean, well ventilated, properly controlled
static environment.
•
Ensure that the assemblies and sub-assemblies are well supported and insulated when
doing any repairs on the HI 4050 Weight Controller.
•
Place small fasteners, connectors and electrical parts in closed containers so as not to
lose parts during reassembly.
•
Read the disassembly instructions before any disassembly begins. If any of the
instructions for disassembly are unclear, contact Hardy Process Solutions, Technical
Support Department for additional information and assistance.
WARNING - EXPLOSION HAZARD - DO NOT REPLACE COMPONENTS
UNLESS POWER HAS BEEN SWITCHED OFF OR AREA IS KNOWN TO BE NON-
HAZARDOUS.
AVERTISSEMENT – Risque d’explosion- Ne pas remplacer les composants à
moins que la source d’alimentation soit éteinte ou que la zone est classifiée non
dangereuse.
WARNING - EXPLOSION HAZARD - DO NOT DISCONNECT EQUIPMENT
UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE
NON-HAZARDOUS
AVERTISSEMENT – Risque d’explosion – Ne pas déconnecter l’équipement à
moins que la source d’alimentation ait été mise en position « éteint » ou que la
zone soit classifiée non dangereuse.