
Troubleshooting
21
Telephone
No tone from local (inside) telephone
• Check if all cables are correctly connected:
1. CARDIO’s telephone cable connected into the digital communicator module RJ31X;
2. the home’s telephone line into the RJ31X;
3. the wire of the internal telephone network into the RJ31X.
• Check that the RJ31X (CA38A in Canada) is of the right type.
• If all connections are good, disconnect CARDIO’s telephone cable from the RJ31X. Open the
RJ31X and check voltage reading is 45Vdc between pins 4 and 5 of the RJ31X
1. If yes, check if voltage is 45Vdc between pins 1 and 8 of the RJ31X. If yes, the internal
telephone network is cut. If not, replace RJ31X.
2. If not, the home telephone entry line is not connected or this line is cut.
No tone only when connecting CARDIO’s telephone cable into the RJ31X.
1. check the connection of the telephone cable on the CARDIO’s main board;
2. check this cable;
3. do a “reset”: if there is no change, CARDIO is defective.
4. the touch screen is defective
RJ31X (CA38A in Canada)
CARDIO comes with a flat telephone cable made up of 8 wires as well as a circuit that “cut” the
telephone line in case of an emergency call. It is mandatory that this cable be connected to a
compatible jack where connections between the home main telephone line, CARDIO and the home
local telephone network are correct. Contact your local telephone company if you have any doubt
about the correct wiring of this plug
CARDIO and an answering machine
If there is an answering machine on the same telephone line as CARDIO, check the programming in
the Configuring menu (telephone). It should be as follow:
1. Rings after answering: always enter a number of rings higher than that of the
answering machine.
2. Answering machine: YES
Number of telephone
Only one telephone can communicate with CARDIO. The use of more than one telephone at the
same time will lower signals and impede the good functioning of CARDIO.
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