Fault Analysis And Fault Correction - Sera MU-100 E 1500.2 Manual De Instrucciones

Electric agitator
MU-...E(G)1500...
Operating instructions

12. Fault analysis and fault correction

sera products are sophisticated technical products which are only shipped after having been thoroughly tested and
checked at our factory.
Should there be any faults , these fault can be detected and rectified easily and quickly using the instructions in the ta-
ble.
Fault type
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possible cause
Voltage too high
Electric data of the drive motor do not
match mains data
Viscosity of the medium is too high
Temperature is too low
Winding inside the drive motor is defect
Wrong mixing element (too big)
Motor terminal box is incorrectly wired
Incorrect rotational direction of the drive
motor
Mounted position of the mixing unit is in
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the centre of the tank
Transport damage
Operation with a frequency inverter
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Storage damage
Fault correction
Check connection voltage
Check order data Check electric installation.
Adjust motor to existing mains conditions
Check the viscosity of the medium and compare it with the
design data and, if applicable, reduce the viscosity or use an
mixing unit with a more powerful drive motor
Check the ease of flow of the medium.
Send the mixing unit for repair
Check order data. Install a proper mixing element for the mixing
unit
Check the circuit inside the terminal box
Check the circuit inside the terminal box
Install a baffle inside the tank or mount the mixing unit eccentri-
cally
Send the mixing unit for repair
Avoid critical motor speeds
Send the mixing unit for repair
Subject to technical modifications!
TA 452 Rev. 4 en 03/2015