OHAUS Pionnier PXP Serie Manuel D'instruction page 33

PXP 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
Balance will not turn on
Poor accuracy
Cannot calibrate
Cannot change menu
settings
Low Reference weight
Invalid Piece Weight
Operation Timeout
Err 8.3
Err 8.4
------
TABLE 8-1. TROUBLESHOOTING
Possible Cause
No power to the balance
Improper calibration
Unstable environment
Calibration Menu locked
Approved Mode set to on
Unstable environment
Incorrect calibration masses
Sub-menu locked
Approved Mode set to on
Reference weight too small
The weight on the pan is too small to define a valid
reference weight.
Average piece weight is too small
Weight reading is not stable
Weight reading exceeds overload limit.
Weight reading below underload limit.
Busy (tare, zero, printing, waiting for a stable weight)
EN-31
Remedy
Verify connection and
voltage
Perform calibration
Move balance to suitable
location
Turn Calibration menu lock
off
Turn Approved Mode off
Move balance to suitable
location
Use correct calibration
masses
Unlock sub-menu
Turn Approved Mode off
Increase sample size
Increase average piece
weight
Move balance to suitable
location
Remove weight from the pan
Re-install the pan
Wait until completion