Graco GrindLazer 25P474, Operation - Repair - Parts

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Troubleshooting
32 3A7600C
DCS Error Codes
To clear an error code on the DCS Control:
1. Turn DCS Power Switch to OFF.
2. Address/Fix the issue.
3. Turn DCS Power Switch to ON.
Error Cause Solution
E04: High Voltage
(20VDC or greater, mea-
sured across battery
posts) Battery is damaged. Replace battery.
Engine voltage rectifier/regulator is damaged. Replace engine voltage rectifier/regulator.
E05: High Motor Current
(15 Amps or greater, mea-
sured on blue or brown
actuator wire) Actuator rod is stuck. Manually move the actuator rod using the
Manual Height Adjustment feature.
Too high of load. Ensure there is no binding anywhere on the
unit when the actuator is moving.
E08: Low Voltage (7VDC
or lower, measured across
battery posts) Battery is low/dead. Charge battery.
Engine is not charging the battery. Check the engine charging coil and voltage
rectifier/regulator. Replace or repair if
needed.
E09: Hall Sensor Error Actuator Signal Cable is disconnected from DCS
Control or is damaged. Check all connections. Repair or replace if
needed.
Actuator or DCS Control Board is damaged. See flow chart, page 33.
E12: High Current (short
circuit, 60 amps or greater,
measured on red or black
wire between battery and
DCS Control) A wire or board component has shorted. Check all wires for shorts. If all wires are
okay, the DCS Control board may be dam-
aged and need to be replaced.
E31: Home Button Error The Home Button is stuck or shorted. Check to see if Home Button is stuck. If not
stuck, replace the Home Button switch.
E32: Zero Button Error The Zero Button is stuck or shorted. Check to see if Zero Button is stuck. If not
stuck, replace the Zero Button switch.
E33: Cut Depth Button
Error The Cut Depth Button Error is stuck or shorted. Check to see if Cut Depth Button is stuck. If
not stuck, replace the Cut Depth Button
switch.
E34: Up Button Error The Up Button is stuck or shorted. 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.
E35: Down Button Error The Down Button is stuck or shorted. 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.