WAFER GSM-KEY-DC REMOTE CONTROL UNIT
http://www.waferstar.com
Troubleshooting
No LED is on after power up
·
Check the power supply.
GSM LED D6 is not flash slowly or kept light continuesly (fast fast around 0.5s per time)
·
GSM Signal is not good and cann’t register to GSM
·
Check the SIM card.
·
Check the PIN.
·
Check the antenna connection.
·
Select a place with a good GSM signal.
MCU LED is not flash slowly
·
MCU is not working properly,Check the syster power
·
Don’t move the GSM antenna above the MCU board
No tone can be heard after line off-hook
·
Check the telephone line connection.
·
GSM-KEY is not initialized properly upon start (approx. 10s after power up).
·
GSM-KEY is not supplied with power.
No COM port on my computer
·
COM port can be find in the computer device manager or not ?
·
Our device has no relationship with the COM port can be find or not.
·
If you use the USB to RS232 adapter,should check the drive is properly installed or not
What type of the USB to COM port adapter should order to work with GSM-KEY
·
That would be better to order WAFER USB adapter
·
Order the good quality USB adapter with FT232 chip inside
GSM-KEY 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).
·
An incoming call is ringing on GSM-KEY
·
An incoming Alarm is on processing by GSM-KEY
No Relay working tone can be heard when phone calling the device
·
Check if your Control number is already setup into the device.
·
GSM-KEY is not initialized properly upon start (approx. 10s after power up).
·
If the GOT timer is setup to a very short timer ( normally should be more than 500ms )
