Motor Control - Graco Reactor E-10hp Instructions Manual

Repair

Motor Control

Power Bootup Check
Power must be on to check. See F
Function is:
• Motor ready: LED on.
• Motor not ready: LED off.
• Status code (motor not running): LED blinks status
code.
• Multiple status codes are separated by a longer
LED off duration.
Control Board LEDs
If LEDs on the bottom board are on and the top board
LEDs are off, the following may have occurred:
• A pressure transducer shorted out.
• A short occurred between the power and ground pin
of the potentiometer.
Board LED
Top R4 Red: on
G1 Green: on
Bottom D4 Red: on
D16 Green: on
J2
R4
G1
F . 11
IG
44
. 11 or location.
IG
State Description
Hardware or software
failure
Power on
Hardware or software
failure
Power on
J1
J6
J98
J9
J8
J10
(under C52)
D16
(bottom side
D4
of board)
Replace Control Board
Check the motor before replacing the board. See Test
Motor, page 53.
1. See Before Beginning Repair, page 39.
2. Remove the display cover (26) on back of the cart to
expose the control board (354).
354
3. Disconnect all cables and connectors from the
board (354). See Table 8, page 45.
4. Remove the six nuts (363) and remove the board
from the control board (354). See F
5. Install the new board in reverse order.
26
. 10, page 43.
IG
332144H
ti21923a