Maintenance; Troubleshooting - OHAUS Navigator NV212 Bedienungsanleitung

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Navigator
4.4 Mode Menu
This sub-menu activates modes so they will be available for use with the Mode button. Weigh mode is
always active.
• Parts Count [Count] (on, off) - Set on for the mode to be active.
• Percent [Percnt] (on, off) - Set on for the mode to be active.
• Hold [Hold] (on, off) - Set on for the mode to be active.
• Accumulate [ACCUmM] (on, off) - Set on for the mode to be active.
• Check Weigh [CHECk] (on, off) - Set on for the mode to be active.
4.5 Units Menu
This sub-menu activates units so they will be accessible with the Units button. The units in the menu
must be turned "on" to be active. The ounce (oz) and pound:ounce (lb:oz) units include the option of
decimal [dec] or fractional [frac] readouts. Due to different agency requirements the grain unit has
two icon display options, gr or grn.
Note: Available units and modes vary by model and local regulations.
4.6 Sealing access to balance settings
The Menu Lock switch limits changes to the Cal, Setup, Mode and Unit menus. The switch in type
approved models may set some balance settings as required by the approval agency. The switch may
be secured using paper seals, wire seals or plastic ties.

5. MAINTENANCE

5.1 Troubleshooting

The following table lists common problems and possible causes and remedies.
If the problem persists, contact OHAUS or your authorized dealer.
Symptom
Cannot turn on
Poor accuracy
Cannot calibrate
Cannot access mode
Cannot access unit
Lo ref
ref err
Err 3.0 Cal
Err 4.4 full
Locked
Possible Cause
No power to balance
Improper calibration
Unstable environment
Unstable environment
Incorrect calibration weight
Mode not enabled
Unit not enabled
Reference weight is too low
Parts counting– sample weight <1d.
Incorrect calibration weight
RS232 buffer is full
Unlocked
Remedy
Verify connections and voltage
Perform calibration
Move balance to suitable location
Move the balance to suitable location
Use correct calibration weight
Enter menu and enable mode
Enter menu and enable unit
Increase reference weight.
Shows error - exits mode or goes to [Clr.ApU].
See section 2.5 for correct weights
Set Handshake on, see Interface User Manual.
EN-7