Instructions

Page 48
PS 9000 1U Series
www.elektroautomatik.de
[e-mail]
EA Elektro-Automatik GmbH
Helmholtzstr. 31-33 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
4. Service and maintenance
4.1 Maintenance / cleaning
The device needs no maintenance. Cleaning may be needed for the internal fans, the frequency of cleanse is
depending on the ambient conditions. The fans serve to cool the components which are heated by the inherent
power loss. Heavily dirt lled fans can lead to insufcient airow and therefore the DC output would switch off too
early due to overheating or possibly lead to defects.
Cleaning the internal fans can be performed with a vacuum cleaner or similar. For this the device needs to be opened.
4.2 Fault nding / diagnosis / repair
If the equipment suddenly performs in an unexpected way, which indicates a fault, or it has an obvious defect, this
can not and must not be repaired by the user. Contact the supplier in case of suspicion and elicit the steps to be
taken.
It will then usually be necessary to return the device to the supplier (with or without guarantee). If a return for
checking or repair is to be carried out, ensure that:
• the supplier has been contacted and it is claried how and where the equipment should be sent.
• the device is in fully assembled state and in suitable transport packaging, ideally the original packaging.
• a fault description in as much detail as possible is attached.
• if shipping destination is abroad, the necessary customs papers are attached.
4.2.1 Replacing a defect mains fuse
The device is protected by one fusible (T16 A, 250 V, 35 mm) which is located inside the device.
This fusible should only blow due to a defect in the AC input circuit, but could also blow when running the unit at
extremely low AC supply voltage. It can be replaced for testing purposes, in order to nd out whether it is only
blown and nothing else is damaged or if there is a true defect, which cannot be repaired on location.
The device has a warranty seal which would break when opening the unit, so we recommend to contact us rst in
such a case during warranty period. According to the situation and problem description, we will decide what to do.
After warranty period it is allowed to open the unit at will and on your own risk. This is done by pulling the AC cord
rst, then removing all screws for the top cover (5 x screw each on left and right side, plus 1 x screw at the rear).
It is imperative to replace the fuse only with one of same type and values.