
Service Manual for Rotator DOR-2828
Troubleshooting Guide
Caution: Always disconnect the power cord before troubleshooting.
Trouble Cause Remedy
Power cord not connected to outlet. Pluginstrumentin..
Dead power output. Changetodifferentoutput.
Fuse blown Changeanewfuse.
Instrument inoperative
Defective electronic component. Contactyour distributorforrepair.
Switch is at “OFF” position PlacetheSwitchat“CONT”or“TIMER”position.
Timer is not set. Turn the timer to a required scale.
Switch is broken. Contactyour distributor forrepair.
Timer is broken. Contactyour distributor forrepair.
Motor is broken. Contactyour distributor forrepair.
Platform doesn’t rotate
PC board is broken. Contactyour distributor forrepair.
Timer is broken. Contactyour distributor forrepair.
Switch is broken. Contactyour distributor forrepair.
Platform can’t stop rotating
PC board is broken. Contactyour distributor forrepair.
The wiring of PC board and the power
indicator is not well. Contactyour distributor forrepair.
Power indicator can not light
up The power indicator is broken. Contactyour distributorforrepair.
Timer is not set by the correct procedures. Read the operation manual and set it again.
Timer is not accurate Timer is broken. Contactyour distributor forrepair.
CIRCUIT DIAGRAM