Checked DEL BIC unit upon arrival, found door stuck in up position removed front panel and found all springs off rinse cap. found 2 of 3 springs broke. was able to make them work by making new hooks to temporarily attach them from rinse cap to rods. put front panel back on and door units blender slide went up and unit went into zone 2 cleaning waited for customer to complete it. once complete unit still showed zone 2 cleaning talked to tech support had me clear it out. once back to main screen unit displayed red wrench. while on phone with tech support asked about it he said unit is soon due for tune up. will order new springs and return. 1/4/2021 Replaced left side blender assembly springs. tested, sys ops okay.