Maintenance; Calibration; Cleaning; Troubleshooting - OHAUS PR-Serie Bedienungsanleitung

EN-32

8. MAINTENANCE

8.1

Calibration

Periodically verify calibration by placing an accurate weight on the balance and viewing the result. If calibration is
required, refer to section 5.2 for instructions.
8.2

Cleaning

WARNING: Disconnect the balance from the power supply before cleaning.
Make sure that no liquid enters the interior of the balance.
Clean the Balance at regular intervals.
Housing surfaces may be cleaned with a lint-free cloth slightly dampened with water or a
mild cleaning agent.
Glass surfaces may be cleaned with a commercial glass cleaner.
Attention: Do not use solvents, harsh chemicals, ammonia or abrasive cleaning agents.
8.3

Troubleshooting

Symptom / Display
Cannot change menu settings
Certain sub-menu is hidden.
TABLE 8-1 TROUBLESHOOTING
Possible Cause
The sub-menu is locked.
This is an approved model, which
requests to block certain sub-menu.
The environment is not stable.
Incorrect calibration masses are
used.
System error
A wrong weighing pan is used
when power on.
The load on the pan is over the
initial weight setting.
A wrong weighing pan is used
when power on.
The pan is not installed when
power on.
PR Series Balance
Remedy
Unlock the sub-menu in Lockout
Menu.
Setup the balance before you turn on
the Legal for Trade setting.
Move balance to a suitable location
and calibrate again
Use calibration masses to calibrate
accodrding to the correct calibration
points in the specification table in the
instruction manual.
If error persists, please contact
OHAUS service (www.ohaus.com -
More - Contact Us)
Use OHAUS original weighing pan
before power on.
Remove the load from the pan before
power on.
Use OHAUS original weighing pan
before power on.
Install the weighing pan before power
on.