“It is recommended to opearte the ESL system in a temperature of between 0 and 40°C for all standard models, between -25 and 10°C for our Freezer model (R290) and between 15 to 35°C for the 8-color model (R565). Moreoever, it is also recommended to operate the system in a well ventilated environment. Finally, it is recommende to perform no more than 3 updates per day.
Other factors that could prevent the system from functioning correcfly are as follows: avoiding abnormal RF conflicts with other products, installing and maintaining Gateways under PARTRON ESL or SI partner’s guidance”