Troubleshooting

Convertible Electric Motor Runs - No AC Output to Sprayer Control Board (Steps)

10-20AC

V

-

ti14925a

STEP 1.

Plug in cord and turn switch ON. Connect wires to transformer and power cord. Turn meter to AC volts.

BEEP

ti14926a

-

STEP 2.

Check AC power cord for an open wire. Turn meter to continuity test. Meter should read continuity.

Jack

Transformer

-

White to barrel

Power Cord

+

 

AC power to

Black to tips

control board

 

 

Transformer

-

White to barrel

Power Cord

 

AC power to

Black to tips

control board

 

 

 

 

 

ti14927a

 

STEP 3.

 

 

 

Black

 

BEEP

Check AC power

 

 

 

 

cord for an open

Ground

 

 

 

White to barrel

 

wire. Turn meter to

 

 

 

 

 

 

Ground

 

 

 

 

continuity test.

 

Black

Jack

Power Cord

 

Black

 

-

Meter should read

 

 

 

 

 

 

 

 

 

AC power to

 

continuity.

Black

 

White

 

control board Black to tips

 

 

White to barrel

 

 

-

 

Power Cord

 

Engine Control Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC power to

Black to tips

 

 

 

 

White

 

control board

 

 

 

 

 

 

 

 

 

Black

L1

L2

 

 

 

 

 

 

 

 

 

 

 

 

+M -M

TS TS

 

 

 

 

 

ti14930a

 

 

 

 

 

Electric

Engine

STEP 4.

Plug in cord and turn switch ON. Partially

Vconnect wires to splice. Turn meter to

-AC volts.

 

Transformer

Power

 

+

ti14929a

Cord

White

 

 

 

 

-

 

 

White

Black

L1

L2

 

Electric Engine Control Board

 

STEP 5.

 

10-20AC

Plug in cord and

 

turn switch ON.

 

 

 

V

Partially connect

Transformer

wires to splice.

 

 

 

Turn meter to AC

 

- volts.

Black

ti14928a

+

Black

-

 

Jack

Black

3A0243A

13

Page 13
Image 13
Graco Inc ti14916a, 3A0243A important safety instructions Beep