Eastsign SOT-64 - 9. Trouble Shooting

Eastsign
16
ROTARY HEAT PRESS SOT
-64H USER MANUAL
9. Trouble Shooting
Phenomenon
Cause
Solution
The temperature can not
be higher or rising slowly
The solid-state relay is
damaged
Replace
Damage of one or few sets of
electric tube in heating unit
Replace the electric tube in
heating unit
Aging of one or few sets of
electric tube in heating unit
Replace the electric tube in
heating unit
The temperature is out
of control
Breakdown of solid replay
Replace
The temperature control
device is out of control
Replace
Blanket and heating
roller don’t revolve
Blanket is too loose
Adjust the tension of
blanket
Gear is skidding
Fasten gear screws
Bearing is jammed
Check or replace the
bearing
Failure of frequency converter
Check frequency converter
or replace
Failure of motor or redactor
Check of Replace
Temperature is not
stable
Temperature sensor is broken
Replace
Aging or damage of Heating
tube
Replace
Main switch trips
Breakdown of collector ring
1. Replace the collector ring
2. Replace SSR (solid state
relay)