4-47 Fault code Description YANMAR SPN FMI Area Status 3720 16 DPF OP interface Ash cleaning request 1 0 Ash cleaning request 2 3719 16 Stationary regeneration standby 0 Backup mode 3695 14 Reset regeneration is inhibited 3719 9 Regeneration faulure (recovery regeneration failure) 7 Recovery regeneration is inhibited