46 MSI-7300 Operator’s Manual
7.0 Appendix
7.1 Troubleshooting
Problem Possible Cause Solution
Display is blank when
POWER key is pressed
Discharged battery Replace cells, or if using NiMH,
recharge
Defective battery Replace
Corroded battery or battery
contacts
Clean contacts
Defective switch or circuit
board
Requires authorized service
Display does not function
properly or front panel
keys do not function
normally or Dyna-Link will
not turn off
Improperly loaded software Reinstall software
Faulty circuit board Requires authorized service
Loose connectors Requires authorized service
Dyna-Link does not
respond to tension
changes
Out of calibration Calibrate
Faulty load cell Replace
Load cell connector Check connector and wires
Display over ranges below
100% of capacity
Tared tension is added to
load to determine overload
point
Return to gross tension mode
Zero requires adjustment Rezero the Dyna-Link
Too much tension/load has
been zeroed
Rezero the Dyna-Link
Display drifts AZM (Auto0) is turned off Tur n AZM on
Rapid temperature changes
such as moving the Dyna-
Link from indoors to
outdoors
Wait until the Dyna-Link
temperature has stabalized
Displayed tension shows
larger error
Dyna-Link not zeroed before
load is lifted
Zero the Dyna-Link 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 LC connections
Display toggles between
“Error” and “Load”
Tension exceeds capacity Immediately reduce tension
Faulty load cell or wiring Check LC and LC wiring.
Table 7-1. Troubleshooting
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