Title: 32 Pumper modbuss teknisk data.pdf.pdf
Check the connection to the antenna. • Check the cellular coverage of the area using for instance a mobile phone.Use an external antenna and experiment with the position.Use an external antenna and experiment with the position.Follow the configuration procedure in "CIM 260 SMS commands", which you can download from Grundfos Product Center.14.2.2 CIM/CIU 260 3G/4G cellular communication faultsFaultPossible cause1. The slave does not respond to telegrams.1. The slave does not respond to telegrams.a) Configuration or installation error.b) The slave may be in listen-only mode.c)If the holding register of address 00001 "SlaveMinimumReplyDelay" is set too high, the master may time out before receiving the response from the slave.2. The slave responds with exception response 0x01: "Invalid function". a)2. The slave responds with exception response 0x01: "Invalid function". a)a) The master is trying to use anunsupported function in CIM/CIU 260.