Upgraded to 3.4.6 hotend fan on

[yagodajm]

Good evening, I upgraded to 3.4.6 and now when I turn my printer on, the hotend fan starts right up. This did not happen in the previous versions. I am not sure what changed. Any help would be greatly appreciated. From what I can tell that is the only thing weird happening.

Thanks,
Justin

[Phaedrux]

Can you share your config.g?

[yagodajm]

; Configuration file for Duet Maestro (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.1.1 on Thu Jun 04 2020 15:43:41 GMT-0500 (Central Daylight Time)

; General preferences
G90                                                ; send absolute coordinates...
M83                                                ; ...but relative extruder moves
M575 P1 B57600 S1 ;Set baud rate Duet Board.
M575 P0 B57600 S1 ;Set baud rate USB
M550 P"My Printer"                                 ; set printer name

; Network
M552 P0.0.0.0 S1                                   ; enable network and acquire dynamic address via DHCP
M586 P0 S1                                         ; enable HTTP
M586 P1 S0                                         ; disable FTP
M586 P2 S0                                         ; disable Telnet

; Drives
M569 P0 S0                                         ; physical drive 0 goes forwards
M569 P0 V30					   ; Stealthchop2 till about 150 mm/sec
M569 P1 S1                                         ; physical drive 1 goes backwards
M569 P2 V30					   ; Stealthchop2 till about 150 mm/sec
M569 P2 S0                                         ; physical drive 2 goes backwards
M569 P2 V30					   ; Stealthchop2 till about 150 mm/sec
M569 P3 S1                                        ; physical drive 3 goes backwards
M569 P3 V30					   ; Stealthchop2 till about 150 mm/sec
M584 X0 Y1 Z2 E3                          ; set drive mapping
M350 X16 Y16 Z16 E16:16 I1                            ; configure microstepping with interpolation
M92 X80.00 Y80.00 Z400.00 E130.00                 ; set steps per mm
M566 X900.00 Y900.00 Z12.00 E120.00              ; set maximum instantaneous speed changes (mm/min)
M203 X300000.00 Y300000.00 Z6000.00 E216000.00   ; set maximum speeds (mm/min)
M201 X800.00 Y800.00 Z15.00 E1000.00        ; set accelerations (mm/s^2)
M906 X1000 Y1200 Z1200 E1200 I30                   ; set motor currents (mA) and motor idle factor in per cent
M84 S30                                            ; Set idle timeout

; Axis Limits
M208 X0 Y0 Z0 S1                                   ; set axis minima
M208 X280 Y230 Z200 S0                             ; set axis maxima

; Endstops
M574 X1 S1 P"!xstop"                               ; configure active-high endstop for high end on X via pin !xstop
M574 Y1 S1 P"!^ystop"                              ; configure active-high endstop for low end on Y via pin !^ystop
M574 Z1 S2                                         ; configure Z-probe endstop for low end on Z

; Z-Probe
M950 S0 C"^zprobe.mod"                             ; create servo pin 0 for BLTouch
M558 P9 C"zprobe.in" H5 F120 T6000                 ; set Z probe type to bltouch and the dive height + speeds
G31 P500 X-35 Y0 Z1.35 ; set Z probe trigger value, offset and trigger height
M557 X20:220 Y20:220 S20                           ; define mesh grid


; Heaters
; Heaters
M308 S0 P"bedtemp" Y"thermistor" T100000 B4138     ; configure sensor 0 as thermistor on pin bedtemp
M950 H0 C"bedheat" T0                              ; create bed heater output on bedheat and map it to sensor 0
;M307 H0 B0 S1.00                                   ; disable bang-bang mode for the bed heater and set PWM limit
M140 H0                                            ; map heated bed to heater 0
M143 H0 S120                                       ; set temperature limit for heater 0 to 120C
M308 S1 P"e0temp" Y"thermistor" T100000 B4138      ; configure sensor 1 as thermistor on pin e0temp
M950 H1 C"e0heat" T1                               ; create nozzle heater output on e0heat and map it to sensor 1
;M307 H1 B0 S1.00                                   ; disable bang-bang mode for heater  and set PWM limit
;M307 H0 A56.6 C143.2 D2.3 B0  S1.00  ;  This is to prevent heater fault, enable bang-bang mode for the bed heater and set PWM limit
;M307 H1 A693.8 C135.8 D9.8 B0  S1.00  ;  This is to prevent heater fault, disable bang-bang mode for heater  and set PWM limit
M307 H0 M307 H1 A1396.0 C319.8 D9.1 B0    ;  This is to prevent heater fault old sensor

; Fans
M950 F0 C"fan0" Q500                               ; create fan 0 on pin fan0 and set its frequency
M106 P0 S0 H-1                                     ; set fan 0 value. Thermostatic control is turned off
M950 F1 C"fan1" Q500                               ; create fan 1 on pin fan1 and set its frequency
M106 P1 S1 H1:2 T45                                  ; set fan 1 value. Thermostatic control is turned on


; Tools
M563 P0 D0 H1 F0                                   ; define tool 0
G10 P0 X0 Y0 Z0                                    ; set tool 0 axis offsets
G10 P0 R0 S0                                       ; set initial tool 0 active and standby temperatures to 0C
; set initial tool 1 active and standby temperatures to 0C

; Custom settings are not defined

; Miscellaneous
M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; set voltage thresholds and actions to run on power loss
T0                                                 ; select first tool

[fcwilt]

@yagodajm

The last M307 seems a bit wonky. It starts out with M307 H0 and then goes right to M307 H1.

M307 H0 M307 H1 A1396.0 C319.8 D9.1 B0 

This seems a bit wonky too. It references two temp sensors but I don't see where you configured those two.

M106 P1 S1 H1:2 T45

Frederick