Danfoss 102E7 Manuals and User Guides, Remote Control ... Danfoss Randall Ltd Ampthill Road Bedford, MK42 9ER Tel: 0845 1217 400 Fax: 0845 1217 515 ... Step 3 —Let go of only the reset button. The display will now show the current time. Step 4 —Release the +1HR and MAN buttons.. I am trying to replace Danfoss 102 with Danfoss fp715si. c. The Danfoss Control Display will illuminate showing “deF”. 2. The Danfoss control is preprogrammed to initiate defrost every 4 hours of compressor run time. If deemed necessary by the Danfoss control additional defrost may occur at unspecified times. a. At this time the, evaporator fans will continue to run but the compressor will turn off..