Entrya GS-500, User Manual

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39

EN

Manual GS-500_EN_2014-01

19. TECHNICAL SUPPORT

19.1. Troubleshooting

Indication 

Possible reason 

Indicators GSM (r) and GSM (g) are OFF

· No mains power
· Wrong wiring
· Blown fuse
· Disconnected antenna 
· Micro-controller could not start due to electrical mains noise or static discharge 

Indicator GSM (r) is ON

· Missing SIM card
· PIN code is enabled 
· SIM card is inactive
· GSM network fault

Unable to receive any SMS text messages to 
the administrator phone number or control the 
output

· Insufficient SIM card credit balance
· Caller's phone number is set up as withheld (hidden)
· No GSM network signal 
· Wrong administrator/user phone number 
· Administrator/user phone number is not set
· SIM card was replaced before disconnecting mains power
· Incorrect SMS center phone number

Unable to connect to the device remotely via 
GPRS connection

· GPRS settings (APN, user name, password) not set.
· Insufficient SIM card credit balance
· Mobile internet service (GPRS) not activated on the SIM card.

Received SMS text message “Wrong syntax” 

· Incorrect SMS text message structure 
· Unnecessary space character might have been typed in SMS text message 

For product warranty repair service please , contact your local retail store where this product was purchased. 

If your problem could not be fixed by the self-guide above, please contact your local distributor. More up to date information about your 

device and other products can be found at the manufacturer’s website 

www.entrya.eu

19.2. Restoring Default Parameters

1. Power down the device. 
2. Short-circuit (connect) the DEF pins. 
3. Power up the device for 7 seconds. 
4. Power down the device. 
5. Remove the short-circuit from DEF pins. 
6. Parameters restored to default. 

19.3. Updating the Firmware via USB Cable

1. Power down the device. 
2. Short-circuit (connect) the DEF pins. 
3. Connect the device via USB cable to the PC. 
4. Power up the device. 
5. The new window must pop-up where you will find the .bin file. Otherwise open 

My Computer 

and look for 

Boot Disk 

drive. 

6. Delete the .bin file found in the drive. 
7. Copy the new firmware .bin file to the very same window. 
8. Power down the device. 
9. Unplug the USB cable. 
10. Remove the short-circuit from DEF pins. 
11. Power up the device. 
12. Firmware updated.

NOTE:  

  It is strongly recommended to restore default parameters after the firmware update.