25
Weak GSM signal
Mount an external antenna and try to
improve the signal by placing the antenna
in different positions.
Send an SMS to the modem, e.g.
=SIGNAL#
. The unit must respond with
the signal strength of the module.
See paragraph 2.7.2 “Positioning of
external antenna”, page 16.
Mount a directional GSM antenna. Please
contact Kamstrup A/S for further details.
Insert a SIM card from another telecom
supplier since there might be difference
in GSM coverage between the suppliers.
Does the installation work?
Execute an SMS reading of the meter
by sending the following SMS:
=READ_
METER#
.
The unit must correspond to
the current meter reading value.
Defective modem
Enclose a precise description of the error
and return the modem to Kamstrup A/S.
