Part Number
Operating Instructions
Item no. LS-105.
Revision 003
Release 30/06/2017
Page 11 of 12
ebm-papst A&NZ Pty Ltd
10 Oxford Road · Laverton North VIC 3026 · Phone +61 (03) 9360 6400 · Fax +61 (03) 9360 6464
ABN 33 115 927 556
NSW Phone +61 (02) 9827 6400 · NSW Fax +61 (02) 9827 6464 · NZ Phone +64 (09) 525 0245 · NZ Fax +64 (09) 525 0246
[email protected] · www.ebmpapst.com.au
W3G500GN3307-LA1
6.
MAINTENANCE, MALFUNCTIONS, POSSIBLE CAUSES
AND REMEDIES
Do not perform any repairs on your device. Return the device to
ebm-papst A&NZ for repair or replacement.
WARNING
Live terminals and connections have voltage
even with a device that is switched off
Electric shock
→ Wait five minutes after disconnecting the voltage
at all poles before opening the device.
CAUTION
If control voltage or a speed set value is applied,
the motor will restart automatically, e.g. after a
power failure.
Risk of injury
→ Keep out of the device danger zone.
→ When working on the device, switch off the line
voltage and ensure that it cannot be switched
back on.
→ 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/fault Possible
cause
Possible remedy
Impeller not
running
smoothly
Imbalance in
rotating parts
Clean the device;
replace it if imbalance
persists after cleaning,
replace the device.
Make sure no weight
clips are removed
during cleaning.
Motor not
turning
Mechanical
blockage
Switch off, isolate from
supply, and remove
mechanical blockage.
Voltage faulty Check mains supply
voltage, restore power
supply.
Important! The error
message resets
automatically. Device
restarts automatically
without warning.
Faulty
connection
Isolate from supply,
correct connection, see
connection diagram.
Broken motor
winding
Replace device
Thermal
over-load
protector
activated
Allow motor to cool off,
locate and rectify cause
of error, if necessary
cancel restart lock-out.
Insufficient
cooling
Improve cooling. Let
the device cool down.
To reset the error
message, switch off the
mains supply voltage
for at least 25 s and
then switch it on again.
Alternatively, reset the
error message by
applying a control
signal of <0.5 V to DIN1
or by short Din1 to
GND.
Ambient
temperature
too high
Reduce the ambient
temperature. Let the
device cool down. To
reset the error
message, switch off the
mains supply voltage
for at least 25 s and
then switch it on again.
Alternatively, reset the
error message by
applying a control
signal of <0.5 V to DIN1
or by short Din1 to
GND.
Unacceptable
operating
point (e.g.
back
pressure is
too high)
Correct the operating
point.
Let the device cool
down.
To reset the error
message, switch off the
mains supply voltage
for at least 25 s and
then switch it on again.
Alternatively, reset the
error message by
applying a control
signal of <0.5 V to DIN1
or by short Din1 to
GND.
If you have any other problems, contact ebm-papst
A&NZ
6.1
Cleaning
NOTE
Damage to the device during cleaning
Malfunctions 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.