Some ender thermic pumps have stopped working due to the global chunk loader limit being hit. As multiple users have reported this incident on the ticket system, here a thread to continue where everyone has access to. Defect/Bug #315: AS2 - Chunkloader Limit preventing Ender Thermic Pumps from working - Server - MyM Collaboration
solved and confirmed by @MrWisski and @doud72 Defect/Bug #315: AS2 - Chunkloader Limit preventing Ender Thermic Pumps from working - Server - MyM Collaboration