Fluid Management Miller GyroMixer - Manual (Page 21)

TROUBLESHOOTING
GyroMixer End User Guide 17
TROUBLESHOOTING
Using the chart below, locate the problem in the first column, then select the
probable cause to check and action to take from the next two columns. The
problems are arranged from the simplest to the most complex.
Where appropriate, refer to the Service section to correct the problem.
PROBLEM POSSIBLE CAUSE ACTION
Mixer does not start. POWER lever is in OFF position. • Move POWER level to ON position.
Power supply cord is unplugged or
damaged. • Plug in cord.
• Replace damaged cord.
Extension cord unplugged or inoperative. • Inspect extension cord. Connect or
replace if damaged.
Door is open and the safety switch has
prevented operation. • Close door.
Emergency stop button is pushed. • Turn to disengage E-stop button
Power lever not fully engaging switch. • Adjust the power level switch.
Replace, if necessary.
E-stop button is inoperative. • Check E-stop button. Replace, if
necessary
Door lock linkage needs adjusting. • Adjust door lock linkage.
Power relay not operating. • Press the test switch underneath the
power relay to close the points.
• Check for loose wire connections.
• Check voltage.
• Replace power relay, if defective.
Timer knob is turned on, the
power level is in ON position, the
E-stop button is disengaged, but
mixer does not operate. Electrical supply voltage not present. • Check electrical supply voltage at
the wall breaker. Correct if
necessary.
Thermal overload protection engaged due
to excessive heat in motor. • Turn off mixer and allow to cool
overnight. The next day test run the
mixer for 60 seconds. If the
symptom persists, replace the
motor.