5
PRECAUTIONS
The heart of your AP Series is its precision load cell located in the center of the scale base. It will
provide years of accurate operation if protected against overload of scale capacity, dropping items
onto the scale, or other occasions of extreme shock. Affixed to the underside of your scale's tray is
a list of DO's and DO NOT's. Please refer to them frequently and follow them completely to insure
long dependable performance from your AP Series Scale.
The membrane keyboard is not to be operated with pointed objects (pencils, pens,
fingernails, etc.). Damage to keyboard resulting from this practice will NOT be
covered under warranty.
• DO NOT submerge scale in water, pour or spray water directly on instrument.
• DO NOT use acetone, thinner or other volatile solvents for cleaning.
• DO NOT expose equipment to temperature extremes.
• DO NOT place equipment in front of heating/cooling vents.
• DO clean the scale with a damp soft cloth and mild non-abrasive detergent.
• DO remove power before cleaning with a damp cloth.
• DO provide clean AC power and adequate protection against lightning damage.
• DO keep the surroundings clear to provide clean and adequate air circulation.
BEFORE YOU CALL FOR SERVICE
The AP Series Scale has been designed to provide you with years of trouble-free operation. In
spite of this, troubles sometimes happen. Before calling for service assistance you should make
some initial checks to verify that a problem does exist. The following describes several types of
symptoms along with suggested remedies.
Problem Possible Solutions
Display does not turn on Is DC power supply cable plugged into the scale?
Is AC power adapter plugged into wall receptacle?
Check wall receptacle for proper AC power. Try
another electrical appliance in the same receptacle,
does it work? Check the circuit breaker. Has there
been a power failure of any kind?
Incorrect weight displayed Insure that the scale platform isn't touching an
adjacent object. Have proper operation procedures
been followed?
Scale will not display weight Refer to Error and Status Displays section and
make certain that the UnLdUnLd or Lod=Lod= messages are
not on. If so, and scale is not loaded, contact a
qualified scale technician.
If you have any problems,
DO
NOT TRY TO REPAIR THIS SCALE YOURSELF!
Unplug the power cord and contact a qualified scale technician.
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