bugfix_1.1.x] E0 auto fan doesn't activate on MKS GEN 1.4 · Issue #12597 · MarlinFirmware/Marlin · GitHub
E0_AUTO_FAN_PIN PROBLEM, MKS SBASE, started after pin num change. · Issue #8374 · MarlinFirmware/Marlin · GitHub
RAMBO board problem with extruder fan & part cooling fan · Issue #11804 · MarlinFirmware/Marlin · GitHub
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