Maintenance; Calibration; Cleaning; Troubleshooting - OHAUS PR Série Manuel D'instructions

PR Series Balance

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
Err 8.1
Err 8.2
Err 8.3
Err 8.4
Err 9.5
Err 53
No CAL
IDnr.Err
Error
--NO--
--NO--
LoW.rEF
tiMout
PUSH.LFt
8.4

Service Information

If the troubleshooting section does not resolve your problem, contact an Authorized Ohaus Service Agent. Please
visit our website www.ohaus.com to locate the Ohaus office nearest you.
TABLE 8-1 TROUBLESHOOTING
Possible Cause
Over init zero range
Under init zero range
Over load
Under load
Loadcell is not ok
EEPROM is not ok
Production calibration failure
IDNR error
Other error
Tare out of range
Zero out of range
Low reference weight, only in counting mode.
Timeout
For PR, need to push LFT button.
EN-31