PRODUCT TECHNICAL MANUAL
FONOMAC 3
V2.20 – 06/2012
34
MTELFONOMAC3220_EN
10. MOST FREQUENT PROBLEMS
10.1. The equipment does not make alarm calls
Please remember that if alarm filtering is enabled, you cannot trigger an alarm from the car keypad
pushbutton unless filtering is inhibited, according to the instructions included in paragraph 4.3. of the
present manual.
Check the terminal configuration parameters:
o ID_35 must have a value different from “0”.
Press the alarm pushbutton for longer than the number of seconds determined by the ID_35 parameter.
10.2. The equipment makes uninterrupted alarm calls
Check that the alarm pushbutton logic is in accordance with the equipment parameterisation:
o If ID_16 = 0 or 2, the pushbutton is normally closed (NC).
o If ID_16 = 1 or 3, the pushbutton is normally open (NO).
Check that the keypad alarm pushbutton and “technicians only” pushbutton connections (on ceiling and
under car floor) are correctly made both in the pushbuttons and in the equipment.
Check that the jumper J1 is set.
10.3. The equipment is blocked
The telephone causes the quick flashing of the yellow LED. The telephone detected a “blocked pushbutton”,
that is to say, one of the alarm pushbuttons was enabled for more than 1 minute and has shifted to Error
mode. It will remain in this status as long as the error situation persists.
o Check the keypad and “technicians only” alarm pushbutton contacts.
The telephone causes slow, non-synchronised and alternate flashing of yellow and green LEDs. Equipment
not activated.
o Please contact MP.
Other situation.
o Reset the equipment.
10.4. The equipment makes the green LED quickly flashing
Check that the jumper J3 is set. If it is not, set it properly. Then, the error disappears.
If the jumper J3 is properly set and the equipment remains with the green LED quickly flashing, it informs
that the battery pack is in bad conditions. Replace the pack by a new one.
10.5. The equipment emits an error tone of 5 seconds during the initialisation
Check that the jumper J3 is set. If it is not, set it properly. Then, the error disappears.
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