Operating instructions
M4E068-EC03-49
Translation of the original operating instructions
4.5 Checking connections
;
Ensure isolation from supply (all phases).
;
Make sure a restart is impossible
;
Check the cables for proper fit.
4.6 Switching on the device
The device may only be switched on if it has been installed properly and
in accordance with its intended use, including the required safety
mechanisms and professional electrical hookup. This also applies for
devices which have already been equipped with plugs and terminals or
similar connectors by the customer.
;
Before switching on, check the device for visible external damage
and make sure the protective devices are functional.
;
Check the fan's air flow paths for foreign matter and remove any
foreign matter found.
;
Apply the nominal supply voltage.
4.7 Switching off the device
;
Disconnect the device from the power supply at the supply line's
main switch.
5. MAINTENANCE, MALFUNCTIONS, POSSIBLE
CAUSES AND REMEDIES
Do not perform any repairs on your device. Send the device to ebm-
papst for repair or replacement.
WARNING
Live terminals and connections even with device
switched off
Electric shock
→ Wait five minutes after disconnecting the voltage at all poles
before opening the device.
CAUTION
Electric charge on capacitor after device is switched off
Electric shock, risk of injury
→ Discharge the capacitors before working on the device.
CAUTION
The motor restarts automatically when operating voltage
is applied, e.g. after a power failure.
Risk of injury
→ Keep out of the motor's danger zone.
→ When working on the motor, switch off the line voltage
and ensure that it cannot be switched back on.
→ Wait until the motor comes to a stop.
NOTE
If the device is not operated for a lengthy period in installed
condition in a dry environment, it is to be started up and
operated at full speed for one hour at least every four months. If
the device is not operated for a lengthy period in installed
condition in a damp environment (e.g. outdoors), it is to be
started up and operated at full speed for at least two hours once
a month to move the bearings and allow any condensate that
may have ingressed to evaporate.
Malfunction/fault
Possible cause
Possible remedy
Rotor not running
smoothly
Imbalance in rotating
parts
Clean the device;
replace it if imbalance
persists after cleaning
Motor not turning
Mechanical blockage
Switch off, isolate
from supply and
remove mechanical
blockage.
Line voltage faulty
Check line voltage,
restore power supply.
Faulty connection
Isolate from supply,
correct connection;
see connection
diagram.
Thermal overload
protector activated
Allow motor to cool
off, locate and rectify
cause of error,
release restart lockout
if necessary
Impermissible point of
operation
Check point of
operation
Motor
overtemperature
Ambient temperature
too high
Reduce ambient
temperature if possible
Deficient cooling
Improve cooling
In the event of further malfunctions, 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
cleaner.
→ Do not use any acid, alkali or solvent-basedcleaning
agents.
→ Do not use any pointed or sharp-edged objects for cleaning
5.2 Safety inspection
What to check
How to check
How often
What action?
Device for
damage
Visual inspection At least every
6 months
Replace device
Fastening the
cables
Visual inspection At least every
6 months
Fasten
Insulation of
cables for
damage
Visual inspection At least every
6 months
Replace cables
Abnormal
bearing noise
acoustic
At least every
6 months
Replace device
5.3 Disposal
For ebm-papst, environmental protection and resource preservation are
top priority corporate goals.
ebm-papst operates an environmental management system which is
certified in accordance with ISO 14001 and rigorously implemented
around the world on the basis of German standards.
Right from the development stage, ecological design, technical safety
and health protection are fixed criteria.
Item no. 12519-5-9970 · ENU · Change 202174 · Approved 2018-12-28 · Page 9 / 10
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
