no TRP trigger after prolonged Connection issue to CAN board

[Superbrain8]

Good Day,

Noticed that my Printer running a Duet 3 Mini5+ and a Duet Toolboard had a failing CAN connection during a print,
noticed this error after about 5 minutes.
My question is why didnt the printer stopped with an Error?
i know that the heater control loop should be not interrupted if the heater and thermistor are on the same CAN Board, but having it running for over 5 minutes with no reaction of the Mainboard should not be a thing.

the failing Can connection where solved by wiggling the JST connector for the CAN connection on the Toolboard (should add a dab of hotglue)

M122 Readout (after having resolved the issue)

=== Diagnostics ===
RepRapFirmware for Duet 3 Mini 5+ version 3.4.2 (2022-09-13 15:14:33) running on Duet 3 Mini5plus WiFi (standalone mode)
Board ID: YQ6KF-K096U-D65J0-40KMG-4G03Z-H28XK
Used output buffers: 3 of 40 (24 max)
=== RTOS ===
Static ram: 103684
Dynamic ram: 111292 of which 0 recycled
Never used RAM 23088, free system stack 112 words
Tasks: NETWORK(notifyWait,13.6%,185) HEAT(notifyWait,0.0%,340) Move(notifyWait,3.7%,261) CanReceiv(notifyWait,0.0%,772) CanSender(notifyWait,0.2%,325) CanClock(delaying,0.0%,339) TMC(notifyWait,0.7%,106) MAIN(running,80.7%,409) IDLE(ready,0.2%,30) AIN(delaying,0.9%,263), total 100.0%
Owned mutexes:
=== Platform ===
Last reset 01:29:32 ago, cause: software
Last software reset at 2023-02-17 13:28, reason: User, GCodes spinning, available RAM 23568, slot 0
Software reset code 0x0003 HFSR 0x00000000 CFSR 0x00000000 ICSR 0x00000000 BFAR 0xe000ed38 SP 0x00000000 Task MAIN Freestk 0 n/a
Error status: 0x00
Aux0 errors 0,0,0
MCU revision 3, ADC conversions started 5372758, completed 5372757, timed out 0, errs 0
Step timer max interval 1489
MCU temperature: min 19.2, current 25.2, max 25.4
Supply voltage: min 23.9, current 24.0, max 24.1, under voltage events: 0, over voltage events: 0, power good: yes
Heap OK, handles allocated/used 99/1, heap memory allocated/used/recyclable 2048/316/282, gc cycles 0
Events: 0 queued, 0 completed
Driver 0: ok, SG min 0, read errors 0, write errors 1, ifcnt 39, reads 20002, writes 19, timeouts 0, DMA errors 0, CC errors 0
Driver 1: ok, SG min 0, read errors 0, write errors 1, ifcnt 39, reads 20002, writes 19, timeouts 0, DMA errors 0, CC errors 0
Driver 2: ok, SG min 0, read errors 0, write errors 1, ifcnt 39, reads 20002, writes 19, timeouts 0, DMA errors 0, CC errors 0
Driver 3: standstill, SG min 0, read errors 0, write errors 1, ifcnt 19, reads 20011, writes 9, timeouts 0, DMA errors 0, CC errors 0
Driver 4: standstill, SG min 0, read errors 0, write errors 1, ifcnt 39, reads 20002, writes 19, timeouts 0, DMA errors 0, CC errors 0
Driver 5: not present
Driver 6: not present
Date/time: 2023-02-17 14:58:27
Cache data hit count 4294967295
Slowest loop: 1077.90ms; fastest: 0.11ms
=== Storage ===
Free file entries: 9
SD card 0 detected, interface speed: 22.5MBytes/sec
SD card longest read time 6.5ms, write time 181.4ms, max retries 0
=== Move ===
DMs created 83, segments created 33, maxWait 231032ms, bed compensation in use: mesh, comp offset 0.000
=== MainDDARing ===
Scheduled moves 459661, completed 459621, hiccups 0, stepErrors 0, LaErrors 0, Underruns [0, 7855, 0], CDDA state 3
=== AuxDDARing ===
Scheduled moves 0, completed 0, hiccups 0, stepErrors 0, LaErrors 0, Underruns [0, 0, 0], CDDA state -1
=== Heat ===
Bed heaters 0 -1 -1 -1, chamber heaters -1 -1 -1 -1, ordering errs 0
Heater 0 is on, I-accum = 0.2
Heater 1 is on, I-accum = 0.0
=== GCodes ===
Segments left: 85
Movement lock held by null
HTTP is idle in state(s) 0
Telnet is idle in state(s) 0
File is idle in state(s) 3
USB is idle in state(s) 0
Aux is idle in state(s) 0
Trigger is idle in state(s) 0
Queue is idle in state(s) 0
LCD is idle in state(s) 0
SBC is idle in state(s) 0
Daemon is idle in state(s) 0
Aux2 is idle in state(s) 0
Autopause is idle in state(s) 0
Code queue is empty
=== Filament sensors ===
Extruder 0: no data received
=== CAN ===
Messages queued 492187, received 108998, lost 0, boc 248
Longest wait 3ms for reply type 6053, peak Tx sync delay 48919, free buffers 18 (min 3), ts 26863/22456/0
Tx timeouts 38321,0,4280,0,0,3342 last cancelled message type 51 dest 20
=== Network ===
Slowest loop: 1077.92ms; fastest: 0.00ms
Responder states: HTTP(0) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0), 0 sessions
HTTP sessions: 1 of 8
= WiFi =
Network state is active
WiFi module is connected to access point 
Failed messages: pending 0, notready 0, noresp 0
WiFi firmware version 1.27
WiFi MAC address f0:08:d1:02:e5:fa
WiFi Vcc 3.42, reset reason Power up
WiFi flash size 2097152, free heap 26144
WiFi IP address 192.168.188.70
WiFi signal strength -75dBm, mode 802.11n, reconnections 0, sleep mode modem
Clock register 00002002
Socket states: 0 0 0 0 0 0 0 0