SLT offers complete repair and replacement service
for the following list of manufacturers:

Encoders
St. Lawrence - Troy, L.L.C. is qualified to repair Encoders and feedback
devices from all manufacturers, both domestic and foreign.

Anilam B.E.I./Baldwin Condex/Spirodisk Datametrics/Trump Ross Disc Instruments Dynamic Research Dynapar

Elm Systems Encoder Products Fanuc Heidenhain Kuka Kuroda Ledex

Litton Renco Sanyo Siemens Sumtak Unimate

Common Encoder Problems

Symptom: Encoder shaft locked or difficult to turn - possible defective bearings Solution: Disassemble and clean parts, replace bearings. Adjust phases and load test.

Symptom: Encoder produces rough operation - possible oil or coolant inside encoder. Solution: All of the repair procedures for the above.

Symptom: Encoder has no output - possible defective light source. Solution: Replace defective light source components, plus many of the repair procedures for above.

Symptom: Encoder has intermittent output - possible loose mask or cold solder joint. Solution: Reseat the mask, repair all cold solder joints, plus many of the repair procedures for above.

Symptom: Encoder has been dropped and has rattle when lightly shaken - possible broken disk. Solution: This unit may be beyond economical repair, call St. Lawrence - Troy for instructions and possible replacement.