Eastsign MOT-M - Troubleshooting Common Issues

Eastsign
ROTARY HEAT PRESS MOT
-M USER MANUAL
23
11. Trouble Shooting
Phenomenon
Cause
Solution
The temperature can not be
higher or rising slowly
Brush collector
Reinstall it after clean away
carbon deposit, re
Lack of phase or loose of
connections
Check the electric circuit
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 pressure
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
Bruch collector doesn’t
match collector ring
Frosting until matching
Something stick on the
collector ring
Clean the collector ring
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)