OHAUS FC5706 - Page 45

CHAPTER 3 MAINTENANCE PROCEDURES
Ohaus Corporation www.ohaus.com 3-13 FC5706 Centrifuge Service Manual
Error No.
Description
Cause
55
Over speed
Transmission error,
firmware error, frequency
converter us defective.
60
Intermediate circuit under voltage
Motor defective, control
board defective
70
Relay hang-up
Relay K1 and K2 of the
control board is defective
3-19