Operation; Troubleshooting And Maintenance; Troubleshooting - MICROPUMP 75211-20 Manual De Operación

3. Connect the drive motor cable to the receptacle on the rear side of the controller.
4. Connect the AC power input line cord to the AC receptacle.
5. Set speed control to full CCW.
6. This completes the basic connections.
After Installation/Setup is complete, the operator must position the OFF-ON switch to ON. The POWER indicator glows
green when the switch is in the ON position.
The operator must then turn the SPEED control clockwise to a setting that provides the desired flow rate.

Troubleshooting

SYMPTOM
Motor does not rotate when
switched to ON. POWER
Indicator does not glow.
Motor does not rotate when
switched to ON. Power Indicator
glows. SPEED control setting is
greater than full CCW.

OPERATION

TROUBLESHOOTING AND MAINTENANCE

CAUSE
Defective line cord or
fuse.
Defective Motor
or Controller.
1. Check that unit is plugged into a live line.
2. Check line cord for continuity and replace
if defective.
3. Check fuse and replace if defective.
1. Place the OFF-ON switch in the OFF
position.
2. Disconnect the AC line cord from the AC
receptacle.
3. Check the drive motor cable connector on
the rear of the controller and insert the
connector fully into the controller
receptacle.
4. If motor still does not rotate, disconnect
the AC line cord from the AC receptacle.
Disconnect the drive motor cable connec-
tor on the rear of the controller.
5. Replace motor with similar unit. Reconnect
the drive motor cable connector on the
rear of the controller. Reconnect the AC
line cord to the AC receptacle. Move the
OFF-ON switch to ON.
6. If motor still does not rotate, disconnect
the AC line cord from the AC receptacle.
Disconnect the drive motor cable
connector on the rear of the controller.
7. Replace controller with similar unit.
Reconnect the drive motor cable connector
on the rear of the controller. Reconnect the
AC line cord to the AC receptacle. Move
the OFF-ON switch to ON.
6
REMEDY