Motor Control Diagnostic Codes
309574C 13
E25: High line voltage
Supply voltage too high. Check Reactor voltage
requirements, page 61.
E26: Low line voltage
Supply voltage too low. Check Reactor voltage
requirements, page 61.
E27: High motor temperature
E28: High current in motor
E29: Brush wear
Brush sensor contacting motor commutator.
Replace brushes within 50 hours of operation
after warning occurs. See pages 24, 27.
a. Motor temperature too high. Reduce pressure,
gun tip size, or move Reactor to a cooler loca-
tion. Allow 1 hour for cooling.
b. Check fan operation.
c. Check motor sensor and connection to board
(J7, pins 1, 2), page 28.
a. Short on motor control board. Replace board,
page 28.
b. Replace motor, page 27.
CAUTION
Prolonged operation of motor after a brush wear
warning may result in failure of motor and motor con-
trol board.
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