Maintenance - Renkforce E-SA 9 Bedienungsanleitung

Maintenance

Periodically check the technical safety of the amplifier, e.g. check for damage to the power cable or the housing.
If you have a reason to believe that the device can no longer be operated safely, disconnect it immediately and secure
it against being operated unintentionally. Pull the power plug out of the socket outlet !
It can be assumed that safe operation is no longer possible if:
• there is visible damage to the device or to the power line,
• the device no longer works
• it has been stored for a long time under unfavourable conditions
• it was exposed to extraordinary stress caused by transport
Always observe the following safety instructions before cleaning or servicing the amplifier:
If you have to replace fuses, ensure that you only use fuses of the same type and rated current (see „Technical data").
• Switch off the amplifier and all the devices connected.
• Disconnect the mains plug from the mains socket.
• Open the fuse compartment (15) with the aid of a screwdriver turning it in the anticlockwise direction.
• Replace the defective fuse with a new fuse of the same type.
• Retighten the screws on the fuse holder.
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Live components may be exposed if the covering is opened or components are removed.
Prior to start of maintenance or repair works, the device must be disconnected from all voltage
sources.
Capacitors inside the device may still carry voltage even though they have been disconnected
from all voltage sources.
Repairs may only be carried out by qualified personnel who are familiar with the hazards
involved and the relevant regulations.
It is absolutely impermissible to repair fuses or to bridge the fuse holder.
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