SCOM100
Remote control and alarming
SCOM100: Troubleshooting
6
3. Status LED indications
1: Power indicator: Turns on after power up.
2: Four LEDs indicating the digital output states.
3: Turns on while sending or receiving an SMS.
4: Turns on if an error occurs during operation. See sections 9.4 and 9.5 for details.
5: Monitors the device status (RUN/ MONITOR/ STOP). See sections 6.1 and 9.5 for details.
6. Flashes during device start up. Remains on if the device is ready for operation. Turns off if one or more
operating conditions fail. See section 9.5 for details.
7. Flashes if a connection to the GSM provider is established.
8. Four LEDs indicating the digital input states.
LED
Indication
POWER
Presence of power supply voltage
NETWORK Blinking upon successful registration the GSM provider’s
network
S/R SMS
Turns on during SMS receive or transmit
ERROR
•
Turns on after start up:
SIM card error
Modem error
Missing I/O expansion module
Excessive EM noise or hardware error
•
Turns on during operation
Modem error
Excessive EM noise or hardware error
STATUS
ON: RUN (Control) state
Blink: MONITOR state
OFF: STOP state
