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5
FAULTS, POSSIBLE CAUSES AND REMEDIES
Replace your product by a new one, do not repair it.
DANGER
Electrical voltage at motor
Wait five minutes after the voltage
(all poles) has been switched off
before opening the product.
Fault/
Possible cause
Error
Motor is not
Mechanical
rotating
blocking
Mains voltage fault Check mains voltage,
Connection faulty
Motor is too hot
Motor winding
interrupted
Ambient
temperature too
high
Impeller out of
Unbalance of
true
rotating parts
In case of further faults, contact ebm-
papst.
Technical safety inspection
What requires checking?
Protection against accidental
contact/ protective clothing
Check product for damage
Fixation of product
Fixation of wires
Insulation of wires
Check impeller for
wear/sediments/ corrosion
Possible remedial
action
Switch off, de-energize
and eliminate
mechanical blocking.
re-connect voltage
supply.
Rectify connection, see
pin connection.
Allow motor to cool /
identify cause of fault.
Exchange product.
Reduce ambient
temperature if possible.
Clean product if still
unbalanced after
cleaning, exchange
product.
How to
Frequency
check?
Visual
min. 1/2
inspection
yearly
Visual
min. 1/2
inspection
yearly
Visual
min. 1/2
inspection
yearly
Visual
min. 1/2
inspection
yearly
Visual
min. 1/2
inspection
yearly
Visual
min. 1/2
inspection
yearly
6
COMPLIANCE
The product bears the CE mark.
The CE mark is affixed to adequately sized nameplates.
Within the meaning of the EMC Guideline 2014/30/EU this document is
intended as:
- Mounting instructions/operating manual as per Art. 18, Paragraph
(1)
- Installation instructions as per Art. 4
- Operating manual as per Art. 9, Paragraph (3)
- Instructions for use/operating manual as per Art. 18, Paragraph (3)
- Maintenance instructions as per Art.4; Art. 18, Paragraph (1)
Usage restrictions for residential areas as per Art. 18, Paragraph (2)
Accompanying documents as per Art. 17, Paragraph (1)
Within the meaning of Directive 2014/35/EU - electrical equipment
designed for use within certain voltage limits – this document is
intended as:
- Instructions for use/operating manual as per Art. 6, Paragraph (7);
Art. 8 Paragraph (4)
Within the meaning of the Directive 2006/42/EU Machine Guideline,
this document is intended as
- Mounting instructions as per Art. 13, Paragraph 1b
The product bears the EAC mark.
The information in this document and in the product data sheet
applies to mounting, installation, operation, use and maintenance.
page 5 of 6
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