Craftex CX Series Manual page 27

SERVICE
Motor & Machine Operation
1) Symptom
Motor will not start
Possible Cause
1. Emergency stop button depressed.
2. Low voltage.
3. Open circuit in motor or loose connection
Possible Solution
1. Lift the cover on the emergency stop
button to allow it to pop out.
2. Check power line for proper voltage.
3. Inspect all led connections on motor for
loose or open connections.
2) Symptom
Fuses or circuit breakers blow
Possible Cause
1. Short circuit in line cord or plug.
Possible Solution
1. Repair or replace cord or plug for damaged
insulation and shorted wires.
3) Symptom
Motor fails to develop full power (output of
motor decreases rapidly with increase in
voltage at motor terminals)
Possible Cause
1. Power supply circuit overloaded with lights,
appliances, and other motors.
2. Undersized wires or circuits too long.
Possible Solution
1. Reduce load on circuit.
2. Increase wire size or reduce length of
circuit.
4) Symptom
Motor overheats
Possible Cause
1. Motor overloaded during operation.
2. Air circulation of the motor restricted.
Possible Solution
1. Reduce load on motor; take lighter cuts.
2. Clean out motor to provide normal air
circulation.
5) Symptom
Motor stalls or shuts off during cut
Possible Cause
1. Motor overloaded during operation.
2. Short circuit in motor or loose connections.
3. Circuit breaker tripped.
Possible Solution
1. Reduce load on motor; take lighter cuts.
2. Repair or replace connections on motor for
loose or shorted terminals or worn insulation.
3. Install correct circuit breaker; reduce no. of
machines running on the circuit. (circuit
overload
6) Symptom
Blade slows when cutting or makes a
squealing noise, especially on start‐up
Possible Cause
1. V‐belt loose.
2. V‐belt worn out.
Possible Solution
1. Tighten V‐belt.
2. Replace V‐belt
7) Symptom
Loud repetitious noise coming from machine
27