ebm-papst S3G300-AL11-50 - Manual (Page 10)

Operating instructions S3G300-AL11-50
Translation of the original operating instructions
5. INTEGRATED PROTECTIVE FUNCTIONS
The integrated protective functions cause the motor to switch off
automatically in case of faults described in the table.
Malfunctions Description / Function of
safety feature
Rotor position detection error An automatic restart occurs.
Locked rotor ; After the blockage is
removed, the motor restarts
automatically.
6. MAINTENANCE, MALFUNCTIONS, POSSIBLE
CAUSES AND REMEDIES
Do not perform any repairs on your device. Return the device to ebm-
papst for repair or replacement.
WARNING
Terminals and connections have voltage even with a
unit that is shut off
Electric shock
→ Wait five minutes after disconnecting the voltage at all poles
before opening the device.
CAUTION
If control voltage is applied or a speed setpoint is stored,
the motor automatically restarts, e.g. after a power failure.
Danger of injury
→ Keep out of the danger zone of the device.
→ When working on the device, switch off the mains
supply voltage and secure the latter from being switched on
again.
→ Wait until the device stops.
→ After working on the device, remove any used tools or
other objects from the device.
If the device remains out of use for some time, e.g. when in
storage, we recommend switching the device on for at least
two hours to allow any condensate to evaporate and to move
the bearings.
Malfunction/error Possible cause Possible remedy
Impeller running
roughly Imbalance in rotating
parts Clean the device; if
imbalance is still
evident after
cleaning, replace the
device.
If you have
attached any weight
clips during cleaning,
make sure to
remove them
afterwards.
Motor does not turn Mechanical blockage Switch off, de-
energise, and
remove mechanical
blockage.
Mains supply
voltage faulty Check mains supply
voltage,
restore power
supply,
apply control signal.
Faulty connection De-energise, correct
connection, see
connection diagram.
Item no. 51266-5-9970 · Revision 80549 · Release 2014-02-17 · Page 10 / 11
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · [email protected] · www.ebmpapst.com