Graco Reactor E-XP1 Troubleshooting Manual page 20

Reactor Error Code Trouble Shooting Guide
E09: Heater and Display Communication Malfunction
(Return to Table Of Contents)
Cause:
Communications between the heater control module and the display is not functioning.
1)
When communication is lost, the display will show E09.
 Check all wiring between the display and the heater control module.
o Pay close attention to the wire crimping on plug J5/DISPLAY C of temperature
control module.
o Swap J5 of temp control side with J13 on motor control side to see if problem is in
the harness/control or display.
 If E09 remains on the same display, replace the Display
 If E09 moves to other display then reverse the J13 connections on the display
boards to determine if cable or temperature control module is the cause.
Rev 2.6 (02/2014) Page 20