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PAGE 6 OF 6 

1114 IH-4729

TROUBLESHOOTING

OPERATING ISSUE

CAUSES

RECOMMENDATIONS

Unit will not turn on.

Power cord not plugged in or properly connected.

Power outlet not supplying electricity. 
Battery power used up. 
Other failure.

Check power cord connections. Make sure power 

cord is properly plugged into the power outlet.

Check power source.
Reconnect AC power to charge the battery. 
Service required.

Cannot zero the scale, or will 

not zero when turned on.

Load on scale exceeds allowable limits. 
Load on scale is not stable.
Load Cell damage.

Remove load on scale.
Wait for load to become stable. 
Service required.

Unable to calibrate.

Lock Calibration Menu set to On.
Lock switch is On.
LFT menu set to On.
Incorrect value for calibration mass.

Set Lock Calibration Menu to Off. 
Set the Lock switch to Off. 
Set LFT menu to Off.
Use correct calibration mass.

Cannot display weight in 

desired weighing unit.

Unit not set to On.

Enable unit in the Units Menu.

Cannot change  

menu settings. 

Menu has been locked.

Lock switch set On.

Set selected menu to Off in the Lock Menu. Lock 

Switch on circuit board may need to be set to Off 

position.
Set the Lock switch to Off.

Battery indicator is flashing. 

Battery discharged.

Connect indicator to power and charge battery.

Battery fails to charge fully. 

Battery is defective.

Replace battery.

Error 7.0

Unstable weight reading when defining reference 

weight.

Check platform location.

Error 8.1

Weight reading exceeds Power On Zero limit.

Remove load from scale. Recalibrate scale.

Error 8.2

Weight reading below Power On Zero limit.

Add load to scale. Recalibrate scale.

Error 8.3

Weight reading exceeds Overload limit.

Reduce load on scale.

Error 8.4

Weight reading below Underload limit.

Add load to scale. Recalibrate scale.

Err 9.0

Internal fault.

Service required.

Err 9.5

Calibration data not present.

Calibrate scale.

Err 53

EEPROM data incorrect.

Service required.

CAL E

Calibration Error. Calibration value outside allowable 

limits.

Repeat calibration using correct calibration weights.

LOW.rEF

The average piece weight of the parts is small 

(warning).

Use parts with average piece weight greater than or 

equal to 1 division.

REF.WT Err

The average piece weight of the parts is too small.

Use parts with average piece weight greater than or 

equal to 0.1 division.

 If the troubleshooting section does not resolve your problem, contact Uline Customer Service at 1-800-295-5510.

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  CHICAGO • ATLANTA • DALLAS • LOS ANGELES • MINNEAPOLIS • NYC/PHILA • SEATTLE • MEXICO • CANADA

1-800-295-5510

uline.com

NOTE: Before using the indicator for the first time, the internal rechargeable battery should be fully 

charged for 12 hours. The indicator can be operated during the charging process. The battery is 

protected against overcharging, and the indicator can remain connected to the AC power line.

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