Troubleshooting

 

 

 

 

TYPE OF PROBLEM

WHAT TO CHECK

 

HOW TO CHECK

 

 

 

 

 

 

Sprayer does not run at all

Control is commanding motor to run

1. Remove pump and try to run sprayer. If motor runs,

 

but motor shaft does not rotate.

 

check for locked or frozen pump or drive train.

Digital display shows E=05

 

Possibly locked rotor condition, an

 

If sprayer does not run, continue to step 2.

 

 

 

open connection exists between

2.

Set sprayer to OFF and disconnect power to sprayer.

 

motor and control, there is a

 

problem with motor or control board,

3.

Disconnect motor connector(s) from control board

 

or motor amp draw is excessive.

 

 

socket(s). Check that motor connector and control

 

 

 

Control board status light blinks

 

 

 

 

board contacts are clean and secure. If contacts

5 times repeatedly

 

 

 

 

are clean and secure, continue to step 4.

 

 

 

 

 

4. Set sprayer to OFF and spin motor fan 1/2 turn.

 

 

 

Restart sprayer. If sprayer runs, replace control

 

 

 

board. If sprayer does not run, continue to step 5.

 

 

5. Perform Spin Test: Test at large 4-pin motor field

 

 

 

connector. Disconnect fluid pump from sprayer. Test

 

 

 

motor by placing a jumper across pins 1 & 2. Rotate

 

 

 

motor fan at about 2 revolutions per second. A cogging

 

 

 

resistance to motion should be felt at the fan.

 

 

 

The motor should be replaced if no resistance is felt.

 

 

 

Repeat for pin combinations 1 & 3 and 2 & 3. Pin 4

 

 

 

(the green wire) is not used in this test. If all spin test

 

 

 

is positive, continue to step 6.

 

 

 

Green Blue Red Black

STEP 1:

Green Blue Red Black

STEP 2:

Green Blue Red Black

STEP 3:

311365G

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Graco Inc 311365G, ti13460a, ti13459a, ti13450a, ti13461a important safety instructions Step