Fault Table - Telecom Behnke 10 series Kurzanleitung

FAU LT TA B LE
During initialization, the functionality of the main electron-
ics components is checked. If a fault is detected in the
process, instead of the normal initialization beep you will
Number Fault
of beeps
3 EEPROM fault
4 Button matrix fault
5 Busy-tone decoder fault
6 DTMF-tone decoder fault
7 1-kb EEPROM
(v1.30 and higher)
8 Microphone fault
9 Microphone fault
10 Microphone fault
11 Microphone fault
20
hear one of various sequences of beeps, each of which is
assigned to a specific fault. The following table shows these
assignments:
Possible Causes
• EEPROM is not correctly installed in the corresponding socket.
• EEPROM is defective.
• Attached button, configuration button or dial-pad
button is stuck or defective.
• Connecting cable for button or dial pad is damaged.
• Interference.
• Moisture on board or in connecting plug.
• Busy-tone decoder module is defective.
• DTMF-tone decoder module is defective.
• Wrong EEPROM, v1.30 and higher only admit 2-kb EEPROMs.
• Compact unit: wrong polarity of the attached microphone.
• Universal unit: wrong polarity of the microphone attached
to the integrated MLM.
• Wrong polarity of the microphone attached to the MLM A
of a universal unit.
• Wrong polarity of the microphone attached to the MLM B
of a universal unit.
• Wrong polarity of the microphone attached to the MLM C
of a universal unit.