Technical Specifications - Velleman HAMGSM133 Manual Del Usuario

11. Troubleshooting
Problem
Green LED LD5 is off
Green LED LD5 flashes
cyclically at 1 Hz frequency
The device does not send a reply
to the configuration SMS
During the first start-up LEDs LD1
and LD3 do not light up
alternatively
The device does not react to the
call from an enabled number
The device cannot engage in the
GSM network
12.

Technical specifications

GSM/GPRS module
GPRS
output power
power supply
current
relay outputs
max. current relay contacts
digital inputs
master users
dimensions
weight
operating temperature
Use this device with original accessories only. Velleman nv cannot be held responsible in
the event of damage or injury resulted from (incorrect) use of this device.
For more info concerning this product and the latest version of this user manual, please
visit our website www.velleman.eu.
The information in this manual is subject to change without prior notice.
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15/12/2011
HAMGSM133
Possible reason
No supply tension or inverted
polarity
No GSM network available or
signal not strong enough
Reply to the message with
command RISP is disabled or
there is no credit in the SIM
Card.
The device has already been
started
The mobile used for the call has
a hidden ID
The PIN on the SIM Card has
not been disabled
SIM900 Quad (850/900/1800/1900MHz)
multi-slot class
mobile station class
class 4
class 1
9 to 32 Vdc stabilized (or Li-Ion battery 800~1000mAh (not incl.))
50mA (idle), 1A max.
2 (to control low tension loads), type SELV (<60Vdc)
10A
2 (logic 1 = 5~32Vdc; logic 0 = 0Vdc
8
103 x 67 x 28mm (L x W x H)
±100g
-10 ~ 55°C (14 ~ 131°F)
14
Possible solution
Check power supply cable
Change the position of the
external GSM antenna
Do not use the RISP command
in the SMS, or recharge the SIM
Card.
Completely reset the device
using the RES command.
Enable sending caller ID on the
used mobile phone
Disable the PIN request from
the SIM Card
10/8
B
2W @ 850-900MHz
1W @ 1800-1900MHz
© Velleman nv