Troubleshooting - Selecta RE-650 Manual Instrucciones

5.4 Troubleshooting
Faults
No display on touch screen
after power on
Displayed LAL on screen
Displayed HAL on screen
Displayed OVER on screen
Displayed ER‐1 on screen
Displayed ER‐2 on screen
Displayed ER‐3 on screen
Displayed ER‐4 on screen
Displayed ER‐5 on screen
Displayed ER‐6 on screen
Abnormal noise in stirring
process
Vacuum degree decrease
Discharge valve leak air
Note: * The fuse is fixed above the power socket on the back of the motor controller. Two parts are combined as a whole
unit.
60
Table 5.3 Faults and troubleshooting
Reason
Power supply is not connected
*
Fuse fault
Communication failure
PCB board fault
Detected temperature is below the
lower limit
Detected temperature is above the
upper limit
Temperature sensor failure
Module fault
Motor blocking fault
Hall logic error
Under voltage
Over voltage
Communication failure
Stirring paddle installed improperly
Motor fault
Debris in the vessel
Glass joints are not well connected
Sealing ring wear
Sealing ring installed improperly
Vacuum hose aged
Vacuum pumping capacity decreased
Dramatic temperature changes
affected discharge valve sealing
Sealing ring damaged
Troubleshooting
Check the power supply circuit
Check the fuse and its installation
Keep communication lines well connected
Please contact us or professional
maintenance personnel
Please contact us
maintenance personnel
Inspect the voltage
Please contact us
maintenance personnel
Re‐install stirring paddle
Please contact us
maintenance personnel
Clean debris
Clean the joints and connect them properly
Replace sealing ring
Reinstall sealing ring
Replace vacuum hose
Replace vacuum pump
Adjust the flange for sealing check
Replace sealing ring
or professional
or professional
or professional