Reactor Error Code Trouble Shooting Guide
Rev 2.6 (02/2014) Page 36
Motor Control Board, H-Series
The E27 error should be gone.
o If the E27 error is gone and the motor is truly not overheated then the problem
is likely in the motor/motor wire harness assembly. You can verify this by
measuring the resistance between the 2 yellow wires that go to pins 1 & 2 of
the motor o/t connector. If it is an open connection, the thermal overload
switch is open or there is a broken wire inside the motor or in the motor
harness. On an H-series Reactor motor control board the green LED 23 will be
lit if normal state (not over heated) N.C. normally closed.
o If the E27 error code is still there, then double check to see if pins 1 & 2 are
jumpered properly. If they were jumpered properly then it would likely be a
problem with in the motor control board.
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