Troubleshooting - Niko 10-525 Gebrauchsanleitung

10-525
Programme control function 8 for DIN rail relay
Connect internal unit as slave to a master (parallel connection) * 99 # serial number internal unit # serial number master #
Deactivate programming of master and slave
Attention: You can only program one of the four functions (90, 91, 92, 93) per internal unit.
5.2. Setting the ringtone
The internal unit can distinguish between calls from two different external units (door call), a floor call and a call from another internal unit
(internal call). A separate ringtone can be selected for each type of call. The device offers a selection of 13 different ringtones.
Step Action
1.
Press and hold
2. Press one of the following function keys several times:
• door call:
• floor call:
• internal call:
3.
Press briefly or wait eight seconds.
5.3. Time settings
The default time settings for the internal unit are:
Parameter
speech time from the start of the conversation
number of times the green indication LED will flash when the line is engaged
time during which the call at an external unit or a floor call remains signalled
time during which an internal call you made remains signalled
* The speech time setting can be changed via the service set (10-870). Refer to the manual of this device for further instructions.

6. TROUBLESHOOTING

1. Using a multimeter, always first check the voltage between the terminals:
Between terminals ...
b and a
b and P
2. If the problem with the unit is not solved, then go through the following list of possible problems:
Problem
You hear a negative tone (high – low) when
pressing a bell push button.
1
Someone is calling but you do not hear a
ring signal and the red indication LED is
illuminated.
You can hear a whistle sound during a
conversation.
for eight seconds.
Cause
There is an error in the programming.
The installation is still in programming mode.
The internal unit is not connected correctly.
The ring signal is deactivated.
The settings of the external unit are not
fine-tuned.
* 93 # serial number internal unit #
This function is activated using the free function key (see § 4.1)
* 99 # serial number internal unit # 0 #
Result
You will hear a beep tone and both indication LEDs will be
illuminated. The ringtone selection is activated.
You will go through a list of ringtones available for each type of
call. The latest ringtone that you selected will be stored in the
memory of the device.
You will hear a beep tone and both indication LEDs will no longer
be illuminated. The ringtone selection is deactivated.
Default setting
2 min (*)
three times in 2 s
30 s
30 s
The following voltage must be present
+ 24 Vdc ± 8%
+ 24 Vdc ± 8%
Solution
Erase the programming and start again.
Exit the programming mode.
Check the wiring according to the wiring
diagram.
Press to reactivate the ring signal. The red
indication LED will no longer be illuminated.
Change the sound settings of the microphone
and loudspeaker using the potentiometers
on the external unit until the whistle sound
disappears.
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