Graco Inc 3A0243A, ti14916a Digital Display Messages, Two blinks is the same as E=02

Page 14

Digital Display Messages

Digital Display Messages

 

 

 

 

 

 

 

 

 

 

 

• Digital messages are not available on all sprayers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Blinking LED total count equals digital error code

 

 

 

 

 

 

 

 

 

 

 

i.e., two blinks is the same as E=02

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPLAY*

SPRAYER OPERATION

 

INDICATION

 

ACTION

 

 

 

 

 

No Display

Sprayer may be

 

Loss of power or display

Check power source. Relieve pressure before repair

 

 

pressurized.

 

not connected.

or disassembly. Verify display is connected.

 

 

 

 

 

 

 

 

Sprayer may be

 

Pressure less than

Increase pressure as needed.

ti6314a

pressurized.

 

200 psi (14 bar, 1.4 MPa).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

psi

Sprayer is pressurized.

 

Normal operation.

Spray

Power is applied.

 

 

 

 

 

 

bar

(Pressure varies with tip

 

 

 

 

 

 

MPa

size and pressure

 

 

 

 

 

 

ti6315a

control setting).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sprayer stops. Engine is

 

Exceeded pressure limit.

1.

Check fluid path for clogs, such as clogged filter.

 

 

running.

 

 

 

 

2.

Open prime valve and gun if running AutoClean.

ti6316a

 

 

 

 

 

 

 

 

 

 

3.

Use Graco paint hose, 1/4 in. x 50 ft minimum.

 

 

 

 

 

 

 

 

 

 

 

Smaller hose or metal braid hose may result in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

pressure spikes.

 

 

 

 

 

 

 

 

 

 

 

 

4.

Replace transducer if fluid path is not clogged

 

 

 

 

 

 

 

 

 

 

 

 

 

and proper hose is used.

 

 

 

 

 

 

 

 

 

Sprayer stops. Engine is

 

Pressure transducer faulty,

1.

Check transducer connection.

 

 

running.

 

bad connection or broken

2.

Disconnect and reconnect transducer plug to

 

 

 

 

 

 

 

 

 

wire.

 

ensure good connection with control board

ti6317a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

socket.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Open prime valve. Replace sprayer transducer

 

 

 

 

 

 

 

 

 

 

 

 

 

with known good transducer and run sprayer.

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace transducer if sprayer runs or control

 

 

 

 

 

 

 

 

 

 

 

 

 

board if sprayer does not run.

 

 

 

 

 

 

 

 

 

Sprayer stops. Engine is

 

High clutch current.

1.

Check wiring connections.

 

 

running.

 

 

 

 

2.

Measure: 1.2 + 0.2 Ω (GMAX II 3900);

ti6318a

 

 

 

 

 

 

 

 

 

 

 

1.7 + 0.2 Ω (GMAX II 5900/ 7900 & TexSpray

 

 

 

 

 

 

 

 

 

 

 

7900HD) across clutch field at 70°F.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Replace clutch field assembly.

 

 

 

 

 

 

 

 

 

Sprayer stops. Engine is

 

Loss of paint to pump or

1.

Check for empty paint condition, clogged inlet

 

 

 

 

 

running.

 

severe pressure loss.

 

strainer, failed pump or severe leak.

 

 

 

 

 

 

 

 

 

 

 

 

2.

Reduce pressure and turn pump switch OFF

(with

 

 

 

 

 

 

 

 

 

 

 

and ON to restart pump.

constant

 

 

 

 

 

 

 

 

 

 

3.

WatchDog function can be deactivated by

green LED)

 

 

 

 

 

 

 

 

 

 

 

turning WatchDog switch OFF.

 

 

 

 

 

 

 

 

 

Sprayer stops. Engine is

 

Pressure greater than

1.

Open prime valve and gun.

 

 

running.

 

2000 psi (138 bar, 14 MPa)

2.

Verify no flow obstructions or clogged filter.

 

 

 

 

 

 

 

 

 

while in Flush Timer Mode.

 

 

ti6320a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Error codes also appear on control board as a blinking red LED. LED is an alternate to digital messages.

1.Remove two screws (71) and swing down cover (130).

2.Start engine. Blink count is the same as error code(E=0X).

After a fault, follow these steps to restart sprayer:

1.Correct fault condition

2.Turn sprayer OFF

3.Turn sprayer ON

14

3A0243A

Image 14
Contents Korean patent Related Manuals Operation 3A0242 Parts 3A0244 GunFire and Explosion Hazard Pressurized Aluminum Parts Hazard Premium Sprayers Engine Oil Funnel MaintenancePressure Relief Procedure Troubleshooting Problem Cause SolutionThroat packing nut just enough to stop leakage Troubleshooting Procedure Fluid Pump Runs ConstantlyControl Board Malfunction Control Board Malfunction Steps StepConvertible Electric Motor Will Not Run Convertible Electric Motor Will Not Run Steps StepSee step Is there over 10-20 AC volts? Beep Digital Display Messages Two blinks is the same as E=02Removal Bearing Housing and Connecting RodInstallation Relieve pressureDrive Housing Clutch Armature Pinion Assembly/Clutch Armature/ClampPinion Assembly Installation Clutch Housing Engine Pump ON/OFF Switch Pressure ControlPressure Control Transducer Pressure Adjust PotentiometerControl Board Displacement Pump Do Pressure Relief,Place u-bolt on pump door protrusion Tighten latch and rotate latch lock into locked posi- tion Hose Reel Grease shaft Install E-clip Pivot Replacement Technical Data Dimensions 3A0243A Graco Standard Warranty For Graco Canada Customers