ENDSTOP stop working

[Toma93]

Hi all !
I have a duet 3 mini 5+ for a VCORE3 300mm I am experincing issue with endstops. evrything is fine for a couple of print then one of the endstop X or Y refuse to work anymore. nothing happen when I press it even the little led doesnt bright, and sometime it does but not working better.
please find attached my config.H

*; General preferences
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M550 P"V-Core 3" ; set printer name
M669 K1 ; CoreXY
G29 S1 ; Set Units to Millimeters

; Network
M552 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 P0.0 S0 D3 ; physical drive 0.0 goes forwards
M569 P0.1 S0 D3 ; physical drive 0.1 goes forwards
M569 P0.2 S0 D3 ; physical drive 0.2 goes forwards
M569 P0.3 S1 D3 ; physical drive 0.3 goes forwards
M569 P0.4 S1 D3 ; physical drive 0.4 goes forwards
M569 P0.5 S1 D3 ; physical drive 0.5 goes forwards
M584 X0.4 Y0.3 Z0.0:0.1:0.2 E0.5 ; set drive mapping
M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation

M92 X80.00 Y80.00 Z800.00 ; set steps per mm
M906 X1000 Y1000 Z800 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout

M566 X400.00 Y400.00 Z6.00 E120.00 P1 ; set maximum instantaneous speed changes (mm/min)
M203 X10800.00 Y10800.00 Z1000.00 E3600.00 ; set maximum speeds (mm/min)
M201 X5000.00 Y5000.00 Z100.00 E3600.00 ; set accelerations (mm/s^2)

; Axis Limits
M208 X18 Y-5 Z0 S1 ; set axis minima
M208 X310 Y280 Z300 S0 ; set axis maxima

; Endstops
M574 X1 S1 P"io0.in" ; configure active high endstops
M574 Y2 S1 P"io1.in" ; configure active high endstops

M671 X-4.5:150:304.5 Y-4.52:305:-4.52 S5 ; define positions of Z leadscrews or bed levelling screws
M557 X20:280 Y20:280 P5 ; define 5x5 mesh grid

; Heaters
M308 S0 P"temp0" Y"thermistor" T100000 B3950 A"Bed" ; configure sensor 0 as thermistor on pin temp0
M950 H0 C"out0" T0 ; create bed heater output on out5 and map it to sensor 0
M307 H0 B0 S5.00 ; disable bang-bang mode for the bed heater and set PWM limit
M140 H0 ; map heated bed to heater 0
M143 H0 S110 ; set temperature limit for heater 0 to 110C

;; Run Bed PID Tune!! Bellow is an example for a 300x300 bed
;; M307 H0 A303.1 C356.7 D1.4 S1.00 V24.0 B0

; Fans
M950 F0 C"out3" Q500 ; create fan 0 on pin out3 and set its frequency
M106 P0 C"Hotend Fan" S0 H1 T45 L255 ; set fan 0 name and value. Thermostatic control turned on for Hotend
M950 F1 C"out4" Q500 ; create fan 1 on pin out4 and set its frequency
M106 P1 C"Layer Fan" S0 H-1 ; set fan 1 name and value. Thermostatic control is turned off

; Tools
M563 P0 D0 H1 F1 ; 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

M950 H1 C"out1" T1 ; create nozzle heater output on out2 and map it to sensor 1
M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit
M143 H1 S250 ; set the maximum temperature in C for heater

; EVA 2 / BMG / E3D V6

M92 E830 ; set extruder steps per mm, 0.9 angle/step (LDO Pancake)
M906 E800 ; set extruder motor current (mA) and idle factor in per cent

M308 S1 P"temp1" Y"thermistor" T100000 B4725 C7.060000e-8 A"Hotend"
;; Run Heater PID Tune!!
;; M307 H1 A751.5 C196.6 D4.7 S1.00 V23.9 B0

; Z-Probe
;; Inductive Probe
; M558 P5 C"!io3.in" H5 F400 T5000 ; set Z probe type to unmodulated and the dive height + speeds
; G31 P500 X-30 Y-15 Z0.20 ; set Z probe trigger value, offset and trigger height, more Z means closer to the bed
;; BLTouch
M950 S0 C"io3.out" ; Create a servo pin on io7
M558 P9 C"io3.in" H5 F120 T6000 ; set Z probe type to unmodulated and the dive height + speeds
G31 P25 X-50 Y5 Z2.036

G28 X
G28 Y
G28 Z
T0

; Pressure Advance
; M572 D0 S0.10*

[fcwilt]

@toma93

First thing I would do is check the wiring for connections that may be intermittent.

Frederick