Yamato Scientific RE550 Evaporators, Rotary - Manual (Page 19)

17
6.
Troubleshooting Guide
Problem Solving Chart
Trouble & Countermeasure
Check the following points if trouble occurs.
Contact Yamato’s Technical Service Department for further information.
Trouble Cause Countermeasure
Digital display does not
light up on the controller
● Power is off
● Disconnection of power cord
● Blown fuse
● Check power source
● Connect the main power cord
● Connect motor power cord
● Exchange fuse (2A)
Lift will not move
● Power is off
● Disconnection of power cord
● Fuse blows
Overload (any non-standard
heavier glass set or apparatus
is equipped )
● Turn the power on
● Connect the cord of body
● Exchange of fuse (2A)
● Provide the specified glass set or
apparatus
The flask will not rotate
● Switch of controller is off
● Control knob is at “min”
● Disconnection of motor cable
● Incomplete set-up or fastening
of steam duct cause racing
● Something touching the flask
● Turn on the power switch
● Turn the control knob up
● Insert into the socket on the
controller
● Fasten the steam duct holder
●Remove obstruction
Incomplete vacuum
● Wear and deterioration of
vacuum seal
● Direction of vacuum seal is
wrong
● Cooling condenser nut is
incompletely fastened
● Glass apparatus break
● Incomplete connection of glass
apparatus
● Leak from hose joints
● Exchange of vacuum seal
● Re-set the vacuum seal
● Re-fasten
● Exchange
● Re-set
● Put vacuum grease on
●Check, re-fasten and put vacuum
grease on joints