Graco LineLazer IV 250SPS, Руководство по ремонту

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Troubleshooting
46 3A2593C Repair
Mils not calculating or calculating wrong
Distance sensor. See “Distance not adding properly”.
Gallon counter. See “Gallon (liter) counter not adding fluid volume”.
Bad or damaged control board. Replace control board.
Pressure control knob does not turn
pressure down. *
Knob is jammed.
Pull back cover where remote cable connects to
hydraulic pump and turn counter-clockwise (ccw) until
free.
Pressure control knob rotates freely
with no pressure change
Set screw at hydraulic pump connection is
loose. Remove cover and adjust cable. See Oil Reservoir
Pump Replacement , page 15.
Remote cable is broken or disconnected.
Replace or reconnect cable. See Oil Reservoir Pump
Replacement , page 15.
Gun does not trigger
Main power switch is not turned ON. * Turn main power switch ON.
Engine clutch switch is not turned ON. ** Turn engine clutch switch ON.
Gun selector switch is OFF. Turn gun selector switch ON.
Display is in AUTO MODE and speed is less
than 0.7 mph (1.1 kph). Increase ground speed to be greater than 0.7 mph
(1.1 kph).
System pressure is too low.
Increase fluid pressure up to at least
1000 psi.
Gun cable is disconnected or broken. Reconnect or replace cable.
Gun trigger control switch is disconnected or
broken.
Reconnect or replace gun trigger control switch.
Disconnected or broken wires from control
board to solenoid.
Reconnect or replace wires.
Gun triggering is slow
Gun cable is pinched or kinked. Change gun cable routing or replace cable.
System pressure is too low. Increase fluid pressure up to at least 1000 psi.
AUTO Mode
Line spacing is not accurate
Wrong line pattern loaded. Reload the correct pattern.
Machine not calibrated. Perform calibration routine (see Operation manual).
Gun does not trigger See Gun Does Not Trigger , page 46.
PARKING LAYOUT Mode
Gun does not apply dots
Gun selector switch is OFF. Turn gun selector switch ON.
Dot size setting is too small. Increase dot size.
Pressure is too low. Increase pressure to 1000 psi.
*
Use only Graco approved hydraulic fluid 169236 (5 gallons / 18.9 liter) or 207428 (1 gallon / 3.8 liter)
Problem Cause Solution