MBE 4000 DDEC VI Troubleshooting – Section 78 SPN 975 – Two-Speed Fan (Aux PWM #6) Fault

Section 78
SPN 975 - Two-Speed Fan (Aux PWM #6) Fault

78.1 SPN 975/FMI 3

78.2 SPN 975/FMI 4

78.3 SPN 975/FMI 5