GARO Twinbox GTB Series Assembly Instructions / End User Instruction page 34

Error indications
Fast flashing purple
One white flash every two
minutes
Flashing red/blue
GLB/Twin - ljud signaler
Up beat tone
Down beat tone
Fast ticking tone
One tick sound repeating every two minutes
EN
USER MANUAL
Error type
Twinbox overheated, charging
process terminated
DLM error
Firmware update in progress
RFID tag is accepted, authorization ok
RFID tag is not accepted, authorization has failed
RFID reader active, waiting for authorization eg. RFID tag
Indicate an error in DLM function
34
Action
Auto-reset when temperature drops
below max limit
Auto-reset when Twinbox
communication with energy meter is
up and running
Wait for the update process to
complete