Handling; Troubleshooting - Renkforce T21 Bedienungsanleitung

14. Handling

• Never insert the mains plug into a mains socket immediately after the device has been moved from a cold to a warm
environment. Condensation may form and damage the device. Allow the device to reach room temperature before
connecting it. Wait until the condensation has evaporated.
• Never unplug the mains plug by pulling on the cable; always use the grips on the plug.
• Unplug the mains plug from the mains socket if you do not plan to use the device for an extended period of time.
• For safety reasons, unplug the mains plug from the mains socket during thunderstorms.
• To ensure sufficient ventilation, do not cover the device. In addition, air circulation must not be impaired by objects
such as magazines, table clothes and curtains.

15. Troubleshooting

This amplifier is built using the latest technology and is safe to use. If you encounter any issues, follow the trouble-
shooting steps below.
Always follow the safety instructions!
The amplifier does not switch on
• The mains plug is not plugged into the mains socket.
• The mains cable is not connected to the power-in socket (13).
• The mains socket is switched off.
• The fuse is defective.
There is no sound
• Your audio playback device is switched off.
• The wrong input was selected.
• The volume is set to minimum.
There is no sound from one of the channels
• An RCA cable was disconnected from the source device (e.g. DVD player) or the amplifier input.
• One of the speaker wires has become loose.
There is a humming sound
• One of the RCA cables is defective.
30