Graco Reactor E-10 Instructions-Parts List Manual page 41

Control Board
Power Bootup Check
There is one red LED (D11) on the board. Power must
be on to check. See F
IG
• Startup: 1 blink for 60 Hz, 2 blinks for 50 Hz.
• Motor running: LED on.
• Motor not running: LED off.
• Status code (motor not running): LED blinks status
code.
Control Board Replacement
1. Check the motor before replacing the board. See
Electric Motor, page 46.
2. See Before Beginning Repair, page 36.
3. Relieve the pressure. Follow the Pressure Relief
Procedure, page 22.
4. Remove the access cover (39) at the back of the
control module to expose the control board (406).
311075ZAB
. 14 for location. Function is:
5. Disconnect all cables and connectors from the
board. Remove two jumper wires (413) from J10
pins 7-8 and 9-10.
6. Remove the screws (408) and remove the board
from the control module.
7. Install the new board in reverse order.
NOTE: Apply thermal compound between the square
steel piece on the back of the board and the main
aluminum plate.
Table 6: Control Board Connectors
(see F
Board
Jack Pin Description
J1 n/a Main power from breaker
J2 n/a Function knob
J3 n/a Transducer A
J4 n/a Motor power (230 V units)
J7 1, 2 Motor thermal overload signal
J8 n/a Transducer B
J9 n/a Fan
J10 1, 2 Status indicator
3, 4 Not used
5, 6 Cycle switch signal
7-8 Jumpered
9-10 Jumpered
J11 n/a Motor power (120 V)
J14 n/a B temperature display
J15 n/a A temperature display
Repair
. 14)
IG
41