OHAUS Carat Serie Manuel D'instruction page 24

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EN-20
4. MAINTENANCE
Cleaning
To ensure proper balance operation, keep the housing and platform clean. If necessary,
a cloth dampened with a mild detergent may be used. Check under the platform for
debris and remove. Keep calibration masses in a safe dry place. Unplug the AC
Adapter when not in use. For long term storage, remove the batteries.
Troubleshooting
SYMPTOM
No display.
Battery Indicator is flashing.
Incorrect weight reading.
Calibration procedures do
not work.
Unable to display weight in
a particular weighing unit.
Balance readings unstable.
Error code is displayed.
PROBABLE CAUSE
1. Power Adapter not
connected.
2. Batteries are exhausted.
Batteries are weak.
1. Balance out of calibration.
2. Balance was not
rezeroed before weighing.
Incorrect calibration
masses being used.
1. Weighing unit not
activated in menu.
2. Mode prevents unit
change.
Balance location may
have drafts from air
conditioning vents or
vibration from other
appliances nearby
affecting operation.
Various internal and
external problems
REMEDY
1. Connect AC Adapter.
2. Replace batteries.
Replace batteries.
1. Calibrate the balance.
2. Press the ON/ZERO Off
button with no weight on the
platform, then weigh item.
1. Use correct masses.
2. See error codes note ERR4.
1. Use Units menu to set
desired units ON.
Either move or shield
the balance from external
air currents or vibration.
Review error code table
and take appropriate
action.
SPJ