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52
Model 1040/XL User’s Manual
Troubleshooting
If you experience problems in the operation of your system, read through
these troubleshooting steps and perform those which are appropriate. This
information may help you to correct the following operational difficulties
without calling your supplier or sending your equipment in for repair:
• Power-on
• Indicator Over or Under Capacity
• Inaccurate Weight Readings
• Measuring the Supply Battery Voltage
Instructions for sending an indicator in for repair are provided in the last
section under
Service Repairs
.
If your indicator does not power-on, check the following possible problem
sources in the order given. Attempt to power-on after trying each of these
four troubleshooting steps:
1.
Check Battery Voltage.
Required voltage is 10-17 volts DC negative
ground. If the voltage is between 9-10 volts, the indicator will display
LOW.BAT.
The indicator will automatically turn off if the incoming
voltage drops below nine volts or rises above 17 volts.
2.
Disconnect and Check Power Cable Connector
at the vehicle or AC
to DC converter, clean if necessary, and reconnect.
3.
Replace Fuse.
Sometimes, a bad fuse can be recognized by an obvious
break in the wire filament. However, such a break is not always observ-
able, and getting a successful power-on after changing a fuse is often
the only way of knowing that the fuse was indeed defective.
Make sure the new fuse is the proper size and has a current rating of
five amperes. Using a fuse with too high a current rating can cause
costly damage to the indicator and will void your warranty. The same is
true for substituting wire, a nail, or any other object in place of a fuse.
Place nothing in the fuse connector except a proper fuse.
Try to power-on after changing the fuse (see instructions below for
replacing the fuse).
To replace the fuse,
remove the 12 front panel screws.
1.
Flip front panel out.
2.
Locate fuse in lower corner of main PC board.
3.
Pull blown fuse out and replace.
4.
Re-install and tighten the 12 front panel screws.
4.
Test Indicator and Cables
to isolate the source of the problem.
a. Disconnect all cables on bottom panel of Indicator except for power
cable. Do disconnect Weigh Bar
®
cables, and, if present, alarm cable
remote display cable, etc.
b. Now try powering-on. If this is not successful, your problem is in the
indicator and you should contact your supplier.
c. If you are able to power-on with only the power cable connected, your
problem is probably not in the indicator; continue troubleshooting.
Power-On