MFZ Ovitor TVR(FC) 5, Operating And Maintenance Instructions Manual

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10 ‐Door operator TVR(FC) 5 / Rev 1.41
9. SERVICE AND MAINTENANCE
Manifesta on Fault Ac on
Loud sounds from the fixing point of the
gear unit Fixing of the gear unit is loose Tighten the fixing bolts; if they are damaged, replace
Unusual sounds from the gear unit Damage to the worm sha or wheel Contact the manufacturer
Unusual sounds from the gear unit Damage to the bearings Contact the manufacturer or replace the bearing
Unusual sounds from the gear unit Not enough oil Check the oil quan ty, add more if necessary; find out the
reason for diminished oil quan ty, check for possible oil leaks
Vibra on of input sha at the bearing point Damage to the bearing Contact the manufacturer or replace the bearing
Unusual sounds from the drive motor Refer to the documenta on provided by the drive motor
supplier
Thermal protec on of the gear unit stops
the drive unit Door’s resistance to mo on has increased Check the condi on of the door and its fixings
Thermal protec on of the gear unit stops
the drive unit Not enough oil Check the oil quan ty, add more if necessary; find out the
reason for diminished oil quan ty, check for possible oil leaks
Thermal protec on of the gear unit stops
the drive unit Damage to the worm sha or wheel Contact the manufacturer
Oil leak from the gear unit frame Mechanical damage in the gear housing Contact the manufacturer
Oil leak from the gear unit frame Fixing bolts of the gear unit halves are loose Check and ghten the fixing bolts
Oil leak from the rotary sha seal Seal has worn out or there is dirt between the
seal and the sha Contact the manufacturer or check the rotary sha seal and
replace it if necessary
Disengagement mechanism doesn’t work Gear locked when the door was driven with
force against an inelas c obstacle Rotate the input sha of the gear unit e.g. from the side of
the electric motor
Disengagement mechanism doesn’t work Disengagement mechanism has been damaged Contact the manufacturer
Place where door travel stops has changed Adjustment of the limit switches has changed Check that the adjustment ghtness of the limit cams has not
decreased. Tighten and adjust the limits again.
Limit switches do not stop the door Limit sha is damaged or does not rotate Contact the manufacturer
Limit switches do not stop the door Micro switch for the limit does not func on Replace the limit switch
Clack between the gear and motor Flexible clutch worn out Replace the clutch
The motor runs, but gear sha is not turn‐
ing Slipping clutch is slipping Adjust or replace the slipping clutch