Operating instructions
R2E250-RA50-01
Translation of the original operating instructions
Unacceptable
operating point
Check operating point
Overtemperature of
motor
Ambient temperature
too high
Lower ambient
temperature if possible
Insufficient cooling
Improve cooling
If you have any other problems, contact ebm-papst.
5.1 Cleaning
NOTE
Damage to the device during cleaning.
Malfunction possible
→ Do not clean the device using a water jet or high-pressure
washer.
→ Do not use any cleaners containing acids,
bases or solvents.
→ Do not use any pointed or sharp-edged objects to clean.
5.2 Safety test
What has to
be tested?
How to test?
Frequency
Which
measure?
Check the
protective
casing against
accidental
contact for
damage and to
ensure that it is
intact
Visual inspection At least every
6 months
Repair or
replacement of
the device
Check the
device for
damage to
blades and
housing
Visual inspection At least every
6 months
Replacement
of the device
Mounting the
connection lines
Visual inspection At least every
6 months
Fasten
Mounting of
protective
earth connection
Visual inspection At least every
6 months
Fasten
Check the
insulation of
the wires for
damage
Visual inspection At least every
6 months
Replace wires
Impeller for
wear/deposits/
corrosion and
damage
Visual inspection At least every
6 months
Clean or
replace impeller
Check the ball
bearings to
ensure they
are quiet, can
move easily
and are free of
play
Manual check
by turning the
rotor in shut-off
state
At least every
6 months
Replace
device in case
of noise,
difficulty of
movement or
clearance of
the bearings
Item no.: 11455-5-9970 · Revision: 75902 · Print-out: 2012-02-20 · Y. Uhlmann (VM-TDO) · Page 9 / 9
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 7938 81-0 · Fax +49 7938 81-110 · [email protected] · www.ebmpapst.com
