7. TROUBLESHOOTING
Malfunction | Solution |
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).
•Is the filter energised ?
•Is breaker D1 closed ?
•Is the filter feeding the distorting load ?
•The CleanWave® filter reduces the neutral current by 10, approximately. It can happen that the 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) ?
Tripping of the "Alarm" temperature sensor of | • | Temperature of the element has reached 190°C |
• | Danger ! The filter must immediately be switched | |
one of the chokes (Lo or Zo) (option). |
| 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 .
MGE UPS SYSTEMS | CleanWave - Installation and user manual | Page 12/13 |
| Version 2.1.4 – 15/01/2007 - |
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