Rice Lake MSI-4260 Port-A-Weigh - Manual (Page 57)

Appendix 53
8.0 Appendix
8.1 Troubleshooting
Problem Possible Cause Solution
Display is blank when
POWER button is
depressed Discharged battery Recharge, allow at least 4 hours
charge
Defective battery Replace
Corroded battery or
battery contacts Clean contacts
Defective switch or circuit
board Requires Authorized Service
Display does not
function properly, front
panel button does not
function normally or
scale will not turn off Improperly updated
software Reinstall Software
Faulty Circuit Board Requires Authorized Service
Loose connectors Requires Authorized Service
Scale does not
respond to weight
changes Out of calibration Calibrate
Faulty Load Cell Replace
Load Cell Connector Check connector and wires
Display over ranges
below 100% capacity Tared weight is added to
load to determine
overload point Return to Gross weight mode
Zero requires adjustment Rezero the scale
Too much weight has
been zeroed Rezero the scale
Display Drifts AZM (Auto0) is turned off Turn AZM on
Rapid temperature
changes such as moving
the scale from indoors to
outdoors Wait until the scale temperature
has stabalized
Displayed weight
shows large error Scale not zeroed before
load is lifted Zero the scale with no load
attached
lb/kg units causing
confusion Select proper units
Requires recalibration Recalibrate
Display reading not
stable Excessive vibration in
crane system Increase filtering or increase ‘d’ in
Cal
Excessive side loading Improve load train symmetry
Load cell faulty Check load cell connections
Display toggles
between “Error” and
“Load” Weight exceeds capacity Reduce weight immediately
Faulty load cell or wiring Check load cell and load cell
wiring
Table 8-1. Troubleshooting