Ohaus NAVIGATOR NVT - Manual (Page 9)

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