Ohaus CKW WASHDOWN CHECKWEIGHING SCALES_INDICATOR Manual en - Manual (Page 49)

CKW-55 CHECKWEIGHER EN-45
4.3 Troubleshooting
TABLE 4-2. TROUBLESHOOTING.
SYMPTOM PROBABLE CAUSE(S) REMEDY
Unit will not turn on.
Cannot zero the Scale, or will not zero when
turned on.
Unable to calibrate.
Cannot display weight in desired weighing
unit.
Cannot change menu settings.
Power cord not plugged in or properly
connected.
Power outlet not supplying electricity.
Battery power used up.
Other failure.
Load on Scale exceeds allowable limits.
Load on Scale is not stable.
Load Cell damage.
Lock Calibration Menu set to On.
LFT menu set to On.
Incorrect value for calibration mass.
Desired unit setting not set to On.
Menu has been locked.
Check power cord connections. Make sure
power cord is plugged in properly into the
power outlet.
Check power source.
Reconnect AC power to charge the battery.
Service required.
Remove load on Scale.
Wait for load to become stable.
Service required.
Set Lock Calibration Menu to Off. Refer to
Section 3.6.8 Lockout Menu.
Set LFT menu to Off.
Use correct calibration mass.
Enable desired unit in the Units Menu (refer
to Section 3.6.2 in the Readout Menu.
Set selected menu to Off in the Lock Menu.
Lockout Switch on the circuit board may
need to be set to the Off position.
• The components should be kept clean and free of excessive material build up.
• The platform can be cleaned using most standard food processing equipment methods (such as high-
pressure water or steam)
• Avoid directly spraying the load cell with high-pressure water jets
• Do not use strong alkalis, solvents or abrasive materials and chemicals
• The platform extends past the bottom plate to minimize entry of water or foreign material into the frame. As
necessary, remove the platform to wipe or wash down the internal surfaces of the base.
• Removable components such as the weighing platform, leveling feet and rubber load pads (including
column and CKW-55 Indicator when purchased as a scale system) may be removed and cleaned
4.2 Cleaning
To keep the Indicator and scale operating properly, the housing should be kept clean and free from foreign material.
Err 1 Overload condition. Weight on platform exceeds scale
capacity. Remove excess weight from
the platform. Increase Full Scale
Capacity setting if possible.
Err 2 Underload condition Replace pan if removed. Cycle power
to scale to clear power-on Zero.