21
CARE AND CLEANING
• DO NOT submerge indicator 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 indicator 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.
ERROR AND STATUS MESSAGES
The 777 is equipped with a diagnostic software program that tests various portions of the
instrument's circuitry and verifies proper operation. Should a problem be detected, an error or
status message will be displayed alerting the operator to that condition. The following lists
these errors and status messages and their meaning.
Message POSSIBLE CAUSE CORRECTIVE ACTION
-
MOTION
-
This message indicates that
motion is present when
attempting to power up, print,
zero or perform a push button
tare function.
Insure scale is stable, level and
vibration-free.
Wait for a stable weight display.
-
ZERO ERROR
-
The ZERO key was pressed
when the gross weight is outside
the scale zero weight range.
Check Setup parameter
Z LIMIT. If YES, only 4% of
scale capacity can be zeroed.
Change as required.
-
OVER CAPACITY
-
This message indicates the
weight on scale exceeds the
scale capacity.
Remove the weight from the
scale platform. Insure the scale
is at zero. If problem persists,
contact your scale serviceman.
SIB MISSING
Scale Input Board (SIB) data
interface not functioning.
Both data and power cables
must be plugged into SIB. If
cables check okay, replace SIB.
CAL SEAL
Attempting to enter Setup and
Calibration mode with the
calibration sealing screw
installed.
Remove the calibration sealing
screw from the Scale Input
Board (SIB) mounting bracket
(refer to Figure No. 10).
-
CENTER OF ZERO
-
This message is displayed to
indicate that the weight is within
+/- 1/4 division of the center of
zero.
No corrective action is
necessary. This is a status
message indicating the
automatic zero tracking is
working properly.
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