TrackingTheWorld WorldTracker AVL, User Manual

Page: 37 / 94

There are 6 error counters that collect errors when data cannot be sent or there are errors on the GSM
network when sending or receiving data.
Error Counter 0 = Phone Pickup Call command failed
Error Counter 1 = Real time data cannot be send as SIM is roaming
Error Counter 2 = GSM signal test command failed.
Check GSM aerial to make sure aerial is connected correctly.
Error Counter 3 = Cannot Read or Delete SMS message command failed.
Possible corrupted message or cannot read SIM card. Remove SIM card and check if
SIM card works ok. Delete any message on the sim card.
Error Counter 4 = GPRS Reset after sending Fails.
AVL cannot connect to the GPRS network. Make sure GPRS is enabled on the SIM card.
Possible GSM network error. GSM modem has been reset to retry the connection.
Error Counter 5 = Sending SMS message fails
Possible no credits (money left) or SIM card is disabled so no messages can be sent.
There are two SMS to support the error counters.
C0 -> RESET Error counters value
Example: 05*827,C0,0 (NO CONFIRM MESSAGE WILL BE RETURNED)
C1 -> Request error counters value
Example: 05*827,C1,0
Will Return:
05*850,ERRORS,<ERROR COUNTER 0>,<ERROR COUNTER 1>,<ERROR COUNTER 2>,<ERROR
COUNTER 3>,<ERROR COUNTER 4>,<ERROR COUNTER 5>,0
Example:
05*850,ERRORS,0000,0000,0000,0000,0000,0000,0
- 36 -