Elmo Rietschle V Serie Originalbetriebsanleitung Seite 66

TROUBLESHOOTING / FAULT RECTIFICATION
The pump does not start
Possible cause
Supply voltage is not present
Supply voltage is not present
Supply voltage is not present
VARIAIR variant: Frequency in-
verter is in fault state. fault state
VARIAIR variant: Activation faulty Check control signals (e.g. ena-
Pump mechanically blocked
Tab. 6 Fault table: The pump does not start
The pump becomes unusually hot
Possible cause
Filter dirty
Ambient temperature of the
pump is too high
Motor/appliance fan damaged or
clogged
Temperature of the intake air is
too high
Tab. 7 Fault table: The pump becomes unusually hot
26
|
www.elmorietschle.com © Gardner Denver Schopfheim GmbH
Prematic AG, Märwilerstrasse 43, 9556 Affeltrangen www.prematic.ch
Review
Electrical protective devices (e.g.
Motor protection switch, fuses,
emergency stop)
Check electrical connection
cable
Check the electrical connection
Red LED on the inverter lights up Troubleshooting according to
ble, setpoint, field bus)
Rule out electrical causes. Check
the free movement of the motor-
ised fan (with a screwdriver)
Review
Check filter contamination
Measure ambient temperature
Visual inspection for visual da-
mage; listen for unusual noises
(e.g. grinding noises)
Measure the intake temperature
of the incoming air and com-
pare it with the permitted ma-
ximum temperature (chapter
<k>Betriebsparameter</k>)
Troubleshooting
Identified fault rectified by a quali-
fied electrician
Repairing the connecting cable
Identified fault rectified by a quali-
fied electrician
the operating instructions for the
inverter
Set control signals (e.g. enable, set-
point, field bus) as required
Contact Elmo Rietschle Service
Troubleshooting
Clean / replace filter
Sufficient ventilation and compli-
ance with the minimum distances
must be checked and ensured.
The pump must be safely shut down
or disconnected from the supply
voltage by a qualified electrician.
The "fan cover" protective de-
vice must be removed and the fan
wheel cleaned of dirt or replaced if
damaged.
This temperature limit must be
observed.
Tel. 071 918 60 60, Mail: v-g@prematic.ch