Graco GrindLazer Pro RC813 G Operation, Repair, And Parts page 32

Troubleshooting
Error
E34: Up Button Error
E35: Down Button Error
32
Cause
The Up Button or Handlebar Rocker Switch is stuck
or shorted.
The Down Button or Handlebar Switch is stuck or
shorted.
Solution
Disconnect Handlebar Rocker Switch from
the DCS Control. Clear the error code.
If the error code reappears 30 seconds
after turning the Power Switch back ON,
the problem is the Up Button on the DCS
Control. Check to see if the Up Button is
stuck. If not stuck, replace the Up Button
Switch.
If the error code does not reappear 30
seconds after turning the Power Switch
back ON, the problem is the Handlebar
Rocker Switch. Check to see if the switch
is stuck. If not stuck, replace the Handle-
bar Rocker Switch.
Disconnect Handlebar Rocker Switch from
the DCS Control. Clear the error code.
If the error code reappears 30 seconds
after turning the Power Switch back ON,
the problem is the Down Button on the
DCS Control. Check to see if the Down
Button is stuck. If not stuck, replace the
Down Button Switch.
If the error code does not reappear 30
seconds after turning the Power Switch
back ON, the problem is the Handlebar
Rocker Switch. Check to see if the switch
is stuck. If not stuck, replace the Handle-
bar Rocker Switch.
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