4 troubleshooting guide, Table 4-2: troubleshooting guide – Rice Lake AutoLift HE Low-Profile Lift User Manual
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14
4.4
Troubleshooting Guide
Symptom
Probable Cause
Solution
System does not
operate--no display
Power disconnected
Check and reconnect
Indicator fuse blown
Replace fuse, check for cause
Interface cable cut or disconnected
Repair
Signal leads incorrectly installed at indicator
Install according to indicator installation manual
Display stays at zero
Faulty load cell connections
Check cable connections in J-box at indicator
Faulty indicator
Service the indicator
Erratic weights
Vibration near scale
Remove source of vibration or move scale
Platform not level to within 1/4”
Level the platform by adjusting feet or shimming
Load cell or cable water damage
Replace load cell or cable
Debris under load cells or platform
Clean
Indicator faulty
Use simulator to test indicator stability; service
indicator
Consistently high or low
weights
Indicator not properly adjusted to zero
Zero the indicator according to operator’s manual
Platform binding
Adjust clearance for free platform movement
Indicator not calibrated
Calibrate according to indicator’s manual and
Section 3.3 on page 10
Faulty load cells
Test and, if necessary, replace load cells
Feet touching deck’s underside
Adjust feet downward to provide clearance
Table 4-2: Troubleshooting Guide.