Operating instructions
P2E076-AC06-01
Translation of the original operating instructions
4.5 Checking the connections
;
Make sure that the power is off (all phases).
;
Secure it from being switched on again.
;
Check the correct fit of the connection lines.
4.6 Switch on device
;
Inspect the device for visible external damage and the proper function
of the protective features before switching it on.
;
Apply the nominal voltage to the voltage supply.
4.7 Switching off the device
;
Disconnect the device from the supply voltage at the main switch for
the supply line.
;
When disconnecting, be sure to disconnect the earth wire connection
last.
5. MAINTENANCE, MALFUNCTIONS, POSSIBLE
CAUSES AND REMEDIES
Do not carry out any repairs.
Return the pump to the manufacturer for repair/replacement.
CAUTION
Electrical load on the 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.
Danger of injury
→ When working on the pump, switch off the mains supply
voltage and secure the latter from being switched on again.
→ Wait until the pump stops.
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.
Faulty connection
De-energise, correct
connection, see
connection diagram.
Thermal overload
protector responded
Allow motor to cool
off, locate and rectify
cause of error, if
necessary cancel
restart lock-out
Unacceptable
operating point
Check operating point
Overtemperature of
motor
Ambient temperature
too high
Lower ambient
temperature if possible
Insufficient cooling
Improve cooling
Item no. 10615-5-9970 · Revision 68158 · Release 2010-11-29 · Page 8 / 9
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
