1
Defender 5000 Indicators Service Manual
1.
INTRODUCTION
This service manual contains the information needed to perform routine maintenance and service on the
Defender 5000 Series Scales. There will be two parts for the service manual where first part will describe
the service on the Indicator as this manual and second part would describe the service for the bases, please
refer to Defender Series Base Service Manual. Please read this manual completely before repair and
maintenance.
1.1 DEFINATION OF SIGNAL WARNING AND SYMBOLS
Safety notes are marked with signal words and warning symbols. These show safety issues and warnings.
Ignoring the safety notes may lead to personal injury, damage to the instrument, malfunctions and false
results.
1.1.1 Safety Precautions
For safe and dependable operation of this equipment, please comply with the following
safety precautions:
Verify that the input voltage range printed on the data label matches the local AC power to be used.
Make sure that the power cord does not pose a potential obstacle or tripping hazard.
Use only approved accessories and peripherals.
Operate the equipment only under ambient conditions specified in these instructions.
Disconnect the equipment from the power supply when cleaning.
Do not operate the equipment in hazardous or unstable environments.
Do not immerse the equipment in water or other liquids.
Service should only be performed by authorized personnel.
The TD52XW is supplied with a grounded power cable. Use only with a compatible grounded power
outlet.
1.1.2 Relay Option Safety Precautions
This equipment may have an optional AC or DC Relay Option board installed. This option allows external
devices to be controlled by the Indicator.
CAUTION: ELECTRICAL SHOCK HAZARD. REMOVE ALL POWER CONNECTIONS TO
THE INDICATOR
BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS. THE
HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL,
SUCH AS AN ELECTRICAL TECHNICIAN.
Before making connections to the Relay terminals, remove power from the system. If the system contains
an optional rechargeable battery system, be sure that the
ON/CLR Off
button is used to fully turn off the
system after removing the AC power plug.
More detailed installation instructions are included with the Discrete I/O kit at the time of purchase.
