vm504_manual 20 | Biblioteca actuadores temperatureguard

If the 4 to 20 mA Sensor Monitor and Alarm does not

grammed correctly. Call up the 4 to 20 mA Sensor Monitor and

Verify that the 4 to 20 mA Sensor Monitor and Alarm is powered

Using another phone line, call the 4 to 20 mA Sensor Monitor

Monitor and Alarm. Verify that there is a dial tone.

Check that the phone line is plugged in securely

to the line intended for the 4 to 20 mA Sensor Monitor and

Perform the telephone communication verification procedure.

Wait Five minutes.

answer the phone

If the 4 to 20 mA Sensor Monitor and Alarm does not

Remove the power plug from the back of the 4-20 mA Sen-

Alarm. Verify that there is a dial tone.

that the power is out.

The 4-20 mA Sensor Monitor and Alarm will call to alert you

Verify that the 4 to 20 mA Sensor Monitor and Alarm is powered

Alarm and verify the programmed phone numbers and limits.

Verify at least one programmed telephone number.

Watch the display and note any messages present.

sor Monitor and Alarm.

call out

Check that the phone line is plugged in securely.

and Alarm and verify that it answers the phone.

To verify telephone communications, perform the following test.

Hang up.

Connect a phone to the line intended for the 4 to 20 mA Sensor

Verify that the 4 to 20 mA Sensor Monitor and Alarm is pro-

Verify that the phone line is working. Connect a standard phone

Verifying telephone communication

Troubleshooting

up and the status light is blinking.

up and the status light is blinking