2N SmartGate - User Manual - Manual (Page 44)

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9. Troubleshooting
No LED is on after power up
· Check the power supply.
All LEDs are on. No call is currently in progress.
· SmartGate is in the special PCManager-based programming mode - exit the
PCManager to reset SmartGate.
· Try to switch SmartGate off and on, the LEDs should go off in 3s and signal
the status of SmartGate.
SmartGate does not register to GSM
· Check the SIM card.
· Check the PIN entering.
· Check the antenna connection.
· Select a place with a good GSM signal.
No tone can be heard after line off-hook
· Check the telephone line connection.
· SmartGate is not initialized properly upon start (approx. 10s after power up).
· SmartGate is not supplied with power.
SmartGate keeps transmitting a tone during dialing, not receiving the dialing
· Select the correct dialing type (DTMF or pulse).
Voice disturbance on telephone lines during GSM call
· Check signal strength using PCManager monitor. Place SmartGate to place
with good GSM signal.
· Check distance between telephone lines and SmartGate’s antenna. Distance
between antenna and other telecommunication systems should be as long as
possible.
· If there are still problems, use the antenna with coax cable.
SmartGate does not communicate with PC
· Check the serial cable connection.
· Check the COM number setting on PC.
· Check the COM parameters (1200-115200 bps, 8N1).
· SmartGate is not registered to GSM network.
· A dialing or outgoing call establishing process takes place on SmartGate.
· An incoming call is ringing on SmartGate.