SIMPAL-T2 GSM Temperature Alerter USER MANUAL
Chapter 4 General Troubleshooting
No.
General
Trouble
Possible Reason
Solution
1
Power
indicator light
turns off
No power input.
Check the alerter
’
s
external AC power is
available.
2
GSM
indicator light
turns off
Can
’
t find or
identify the SIM
card.
SIM card no install
properly: Plug off the
alerter and check the
SIM card again.
3
All functions
disable
(Indicator is
working)
Caller ID
presentation do not
active, insufficient
fee of the SIM card.
Contact network
provider to active SIM
card function. Pay for
the card to avoid
arrearages.
4
The alerter
didn
’
t
response of
any
operation.
The alerter works
abnormally.
Plug it off from the AC
power, check SIM
card, or reset it to
factory setting.
5
After power
on the alerter,
GSM
indicator
keeps
flashing.
Network signal
weak or network
busy.
If mobile phone
’
s
signal is weak too,
place the alerter at
other place with
strong signal and try
again.