32
Status feedback
LED pattern
Status
Required action
Blinking green, 1 second
on / 1 second off
Module not configured
Configure at least one
telephone number
1 green flash every 3
seconds
Module is switched on,
powered by batteries
No action required
Green LED stays on
continuously
Module is switched on,
powered by an external
source
No action required
Flashing red/ green
every second
Module establishes
network connection
Wait until the network
connection is established
2 flashes red,
every 3 seconds
No GSM connection
Try the SIM card in any
mobile telephone; replace
SIM card using other telecom
provider; try the module at
another location
3 flashes red,
every 3 seconds
No valid SIM card or
wrong PIN
Try the SIM card in any
mobile telephone; remove
PIN code; check credit;
replace SIM card
Blinking 3 times green
Successful programming
action
No action required
Blinking 5 times red
Faulty programming
action
Check SMS command
4 red flashes
every 3 seconds
Low batteries
Replace both batteries
Summary of Contents for ThermoGuard TwinLog CML2275
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