Fault messages
The device may indicate the following faults.
Message
LTE anomaly
GNSS anomaly
OBU Blocked, contact the service
provider
Service is not active in this area
Tampering anomaly, please contact
the service provider
OBU battery alert, please connect the
original power cable to the OBU as
soon as possible
OBU temperature warning, please
contact the service provider
Telepass SpA - Via Laurentina, 449 - 00142 Rome (RM) - Italy - www.telepass.com
LED
Description
No radio signal
(red)
No satellite signal
(red)
Device blocked by the
service provider
(red)
E-toll payment services not
active in the transit area
(red)
Attempt to tamper with the
device detected
(red)
Power cable disconnected
(flashing
red)
Device overheated
(flashing
red)
TLP-K1-Uso-1.1_A4_EN-0123 © 2023
Required action
Pay the transit with another means
of payment.
Do not use toll roads.
Contact the service provider.
Do not use toll roads.
Contact the service provider.
Reconnect the power cable
Switch off the vehicle and wait for the
device to cool down.