Rice Lake RoughDeck LP, Installation Manual

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RoughDeck LP
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4.0 Maintenance
4.1 Troubleshooting Guide
4.2 Periodic Maintenance
The space beneath the scale, under the deck, in each corner and around the scale must be periodically cleaned to prevent
debris build up.
4.3 Load Cell Replacement
Load cells may require replacement for a variety of reasons. Perform the following to install a new load cell:
1. Remove four hex screws from junction box access cover. Retain screws for use later.
2. Pull panel away from frame to remove.
Figure 4-1. Junction Box Access Cover
3. Remove six Philips screws from junction box cover. Retain screws for reuse.
Issue Possible 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
Indicator faulty Service indicator
Load cell connections faulty Check cable connections in junction box and at indicator ( Section 2.4
on page 6 and Section 4.3 on page 12 )
Erratic weights
Vibration near scale Remove source of vibration or move scale
Platform not level to within 1/4 inch Level scale by adjusting load cups or shimming if necessary
( Section 2.5 on page 9 )
Load cell or cable water damage Replace ( Section 4.3 on page 12 )
Debris under load cells or platform Clean
Indicator faulty Use simulator to test indicator for stability; service indicator
Consistently high or low
weights
Indicator not properly adjusted to zero Zero the indicator according to indicator manual
Platform binding Obtain adequate clearance for free platform movement
Indicator not calibrated Calibrate according to indicator manual and Section 3.2 on page 11
Load cells faulty Test and replace load cells if necessary ( Section 4.3 on page 12 )
Table 4-1. Troubleshooting
Hex Screws
Junction Box Cover