20
TROUBLESHOOTING
This machine must be grounded. Replacement of the power supply cable should only
be done by a qualified electrician. See page 5 for additional electrical information.
White
White
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W
hit
e
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Electronic
relay
Black
Green
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Motor
Black
WIRING DIAGRAM
PROBLEM
PROBABLE CAUSE
REMEDY
1. Correct the overload condition
2. Increase supply wire size or eliminate
using an extension cord
3. Adjust belt tension
4. Have voltage checked by an electrician
and corrected, if necessary
5. Test motor to fix or replace
1. Power line is overloaded
2. Undersize wires in supply system
3. Drive belt tension is too high
4. Low line voltage
5. Motor malfunctioning
Motor fails to develop full
power.
Motor will not start
1. Machine is not plugged in
2. Low line voltage
3. Loose connection
4. Defective switch
5. Defective motor capacitor
6. Starting at highest RPM speed position
1. Plug in machine
2. Check fuses or reset circuit breaker, if
using extension cord, discontinue and
plug machine directly into wall outlet
3. Check plug and all connections
4. Replace switch
5. Replace capacitor
6. Change belt to low RPM speed position
1. Slower feed rate of the bit into material
2. Sharpen or replace drill bit
3. Check motor capacitor and line voltage
1. Overfeeding of drill bit into material
2. Dull drill bit
3. Motor malfunction, not reaching speed
Motor stalls
1. Reduce load, slow down feed rate
2. Clean motor to increase air flow
1. Motor is overloaded
2. Air flow restricted on the motor
Motor overheats
Digital readout does not
work
1. Digital readout sensor out of position
1. Contact Technical Support at
877-884-5167 or email RIKON at
120V
WIRING
