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7. TROUBLESHOOTING
Malfunction
No neutral current is measured downstream
the filter.
No neutral current is measured upstream the
filter.
Tripping of the 'Warning' temperature sensor
of one of the chokes (Lo or Zo) (option).
Tripping of the "Alarm" temperature sensor of
one of the chokes (Lo or Zo) (option).
If the observed malfunction is not in this list or if the problem remains after applying the recommended
solutions, please contact MGE UPS SYSTEMS to the address below.
8. CONTACT
For any assistance or complementary information, please contact your local distributor MGE UPS
SYSTEMS. You will find his details on the website
MGE UPS SYSTEMS
• Is the filter energised ?
• Is breaker D1 closed ?
• Is the filter feeding the distorting load ?
• The CleanWave
by 10, approximately.
remaining value is too low and is not measurable.
• Temperature of the element has reached 165°C
• The load must be reduced in order to avoid
overheating of the filter.
• Check that the phase and neutral currents respect
the limits given in table 4.
• Check that the ventilation grids (front and rear) are
not obstructed.
• Check that the Lo and Zo elements are not covered
with dust.
• Isn't the ambient temperature excessive (standard :
50°C) ?
• Temperature of the element has reached 190°C
• Danger ! The filter must immediately be switched
off.
Table 11
www.mgeups.com
CleanWave - Installation and user manual
Version 2.1 - 21/04/05 - (JME)
Solution
®
filter reduces the neutral current
It can happen that the
.
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