View single post by slychiu | |||||||||||||
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Posted: Thursday Feb 5th, 2015 09:54 am |
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slychiu
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You could have kept a backup of your comfort programming with a UCM/USB or ethernet Press the UPLOAD button to transfer your configuration to the U2 EEPROM in the UCM. This includes the user and engineer codes see http://www.comfortforums.com/forum4/3419.html If the programming is corrupted or your codes are lost, press the DOWNLOAD button to transfer the saved config back to Comfort Try pressing the DOWNLOAD button on the UCM anyway because there may be a default configuration with default code 1234 If 1234 can work then you will have to reprogram the system again If that does not work then you need to get a new default U4 for your system Let us have your comfort PCB serial number starting with P.. or C... Last edited on Thursday Feb 5th, 2015 10:12 am by slychiu |
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