STT293 CONCISE TOWER CRANE MANUAL
60- EURC1.0ENG
NOTE: These malfunctions can have the following causes:
- Incorrect connection of the 380 VAC/48 VAC power supply; excessive
voltage fluctuations;
- Potentiometer and joystick are not compatible or are incorrectly
adjusted with reference to the resistance (O-R/2);
- Check if the inverter is intact and operates properly within the
parameters;
- Check the connections of each part for damage and/or improper
tightening;
- Check if the control box still works within the given parameters.
(909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880
CRANE SERVICE
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