T Scale M503 - Maintenance; General

M503 Series chair Scales Service Manual (3.09)
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10. MAINTENENCE
WARNING
DISCONNECT ALL POWER TO THIS UNIT
BEFORE INSTALLING, CLEANING, OR
SERVICING. FAILURE TO DO SO COULD
RESULT IN BODILY HARM OR DAMAGE THE
UNIT.
CAUTION
• Permit only qualified persons to service the instrument
• Before connecting or disconnecting any components, remove the
power.
• Failure to observe these precautions bodily
harm or damage to or
destruction of the equipment.
10.1. General
If the scale does not operate properly, find out the problem as possible.
Determine whether the problem is constant or alternate. Be aware that problems
can be caused by mechanical or electrical influences.
Check the following.
• Water
• Corrosive materials
• Vibrations or temperature or wind
• Physical damage
Check the scale cables for damage, and check all connections and connecters
for any loose contact or incorrect connection