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MGE UPS SYSTEMS CleanWave - Installation and user manual Page 12/13
Version 2.1.4 – 15/01/2007 -
7. TROUBLESHOOTING
Malfunction Solution
No neutral current is measured downstream
the filter.
Is the filter energised ?
Is breaker D1 closed ?
Is the filter feeding the distorting load ?
No neutral current is measured upstream the
filter.
The CleanWave
®
filter reduces the neutral current
by 10, approximately. It can happen that the
remaining value is too low and is not measurable.
Tripping of the ‘Warning’ temperature sensor
of one of the chokes (Lo or Zo) (option).
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) ?
Tripping of the "Alarm" temperature sensor of
one of the chokes (Lo or Zo) (option).
Temperature of the element has reached 190°C
Danger ! The filter must immediately be switched
off.
Table 11
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 www.mgeups.com
.