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20A
E
COMMUNICATION DISPLAY MODULE TROUBLESHOOTING GUIDE
Use this chart as a starting point for troubleshooting problems with communications between the CDM and
on-board computer. Contact your Club Car representative for more comprehensive information.
Dead CDM battery
Replace CDM battery
Bad CDM unit
Replace CDM
CDM LED is dirty
or has moisture
condensation on it*
Clean the LED lens
Remove "+" battery
lead and discharge
the speed controller.
After a short time,
replace the lead and
restart the OBC.
OBC program is
"locked up"
Restart OBC by
driving car or by
connecting charger
DC plug
OBC is in a
powerdown mode
More than 75
EUs or 75% of
energy removed
from batteries
OBC is bad
OBC Will Not Communicate
With The CDM
* On some 1995 PowerDrive System 48 vehicles manufactured between weeks 9526 and 9546,
the infra-red light projection lens (LED) in the on-board computer may be partially covered by a
clear sealant used when assembling the computer. If this occurs, the communication display
module (CDM) may not receive information from the computer. This condition may be corrected
by using a razor knife or a small cutting tool to remove any excess sealant material from the
area around the projection lens. Use CAUTION. Do not damage the lens when removing the
sealant. See Club Car Service Bulletin No. 95-12 for complete information.
Summary of Contents for 1996 DS Golf Car Gasoline
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Page 544: ...Golf Cars Club Car Inc P O Box 204658 Augusta GA 30917 4658...