Rinstrum - R300 Series Digital Indicator Operator Manual Rev 1.5 
Page 17 
 
6. Error  Messages 
6.1. Weighing Errors 
Error  Description  Resolution 
(U - - - - -)  The weight is below the 
minimum allowable weight 
reading. 
Increase the weight 
or decrease the 
minimum allowable 
weight reading. 
(O - - - - -)  The weight is above the 
maximum allowable weight 
reading. 
 Warning - overloading may 
damage mechanical scale 
elements.  
Check the condition 
of load cell 
connections. Check 
for damaged load 
cell. 
(ZERO) 
(ERROR) 
The weight reading is beyond 
the limit set for Zero 
operation.  The operation of 
the <ZERO> key is limited in 
the setup during installation.  
The indicator cannot be 
Zeroed at this weight.  
Increase the Zero 
Range (OPTION: 
Z.RANGE) or use 
the <TARE> key 
instead. 
(STABLE) 
(ERROR) 
Scale motion has prevented a 
<ZERO>, <TARE> or 
<PRINT> operation from 
occurring on command.    
Try the operation 
again once the 
scale is stable.