There is an error appearing in journalctl : 
* Before the error
kernel:  x86_pkg_temp_thermal intel_powerclamp uvcvideo cdc_mbim iwlmvm videobuf2_vmalloc coretemp dell
...
kernel: iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
...
kernel: iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 43.2.23.17
kernel: iwlwifi 0000:00:14.3: loaded firmware version 48.4fa0041f.0 op_mode iwlmvm
...
kernel: iwlwifi 0000:00:14.3: Detected Intel(R) Wireless-AC 9462, REV=0x354
...

* The error: 
kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
kernel: iwlwifi 0000:00:14.3: Status: 0x00000000, count: 734187146
kernel: iwlwifi 0000:00:14.3: Loaded firmware version: 48.4fa0041f.0
kernel: iwlwifi 0000:00:14.3: 0x5EB1A45F | ADVANCED_SYSASSERT          
kernel: iwlwifi 0000:00:14.3: 0x537B377D | trm_hw_status0
kernel: iwlwifi 0000:00:14.3: 0x16531F5B | trm_hw_status1
kernel: iwlwifi 0000:00:14.3: 0x789E583D | branchlink2
kernel: iwlwifi 0000:00:14.3: 0xF80107FF | interruptlink1
kernel: iwlwifi 0000:00:14.3: 0xE662F7E1 | interruptlink2
kernel: iwlwifi 0000:00:14.3: 0x016292A7 | data1
kernel: iwlwifi 0000:00:14.3: 0x0666F313 | data2
kernel: iwlwifi 0000:00:14.3: 0x57FCBE23 | data3
kernel: iwlwifi 0000:00:14.3: 0x79952915 | beacon time
kernel: iwlwifi 0000:00:14.3: 0x4F1735DD | tsf low
kernel: iwlwifi 0000:00:14.3: 0x7410F667 | tsf hi
kernel: iwlwifi 0000:00:14.3: 0x7E4198AA | time gp1
kernel: iwlwifi 0000:00:14.3: 0xA12F19D9 | time gp2
kernel: iwlwifi 0000:00:14.3: 0xCF52900E | uCode revision type
kernel: iwlwifi 0000:00:14.3: 0xE3D9AD8C | uCode version major
kernel: iwlwifi 0000:00:14.3: 0x13FA8BC4 | uCode version minor
kernel: iwlwifi 0000:00:14.3: 0xD5D1171F | hw version
kernel: iwlwifi 0000:00:14.3: 0x24BFBE2A | board version
kernel: iwlwifi 0000:00:14.3: 0x908515E5 | hcmd
kernel: iwlwifi 0000:00:14.3: 0x45691B81 | isr0
kernel: iwlwifi 0000:00:14.3: 0xB729E7C0 | isr1
kernel: iwlwifi 0000:00:14.3: 0xF0A4082C | isr2
kernel: iwlwifi 0000:00:14.3: 0xE3FDC5D5 | isr3
kernel: iwlwifi 0000:00:14.3: 0x51CF9BDA | isr4
kernel: iwlwifi 0000:00:14.3: 0xD5A042EC | last cmd Id
kernel: iwlwifi 0000:00:14.3: 0x420A9D1A | wait_event
kernel: iwlwifi 0000:00:14.3: 0xB29859DA | l2p_control
kernel: iwlwifi 0000:00:14.3: 0x988FAB50 | l2p_duration
kernel: iwlwifi 0000:00:14.3: 0x7D50CEA1 | l2p_mhvalid
kernel: iwlwifi 0000:00:14.3: 0x92CB53FD | l2p_addr_match
kernel: iwlwifi 0000:00:14.3: 0xA8011242 | lmpm_pmg_sel
kernel: iwlwifi 0000:00:14.3: 0x37EED3C2 | timestamp
kernel: iwlwifi 0000:00:14.3: 0x3E852D44 | flow_handler
kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
kernel: iwlwifi 0000:00:14.3: Status: 0x00000000, count: 7
kernel: iwlwifi 0000:00:14.3: 0x201013F1 | ADVANCED_SYSASSERT
kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
kernel: iwlwifi 0000:00:14.3: 0xC008CF5C | umac branchlink2
kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink1
kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink2
kernel: iwlwifi 0000:00:14.3: 0x00000003 | umac data1
kernel: iwlwifi 0000:00:14.3: 0x20000302 | umac data2
kernel: iwlwifi 0000:00:14.3: 0x00000201 | umac data3
kernel: iwlwifi 0000:00:14.3: 0x00000030 | umac major
kernel: iwlwifi 0000:00:14.3: 0x4FA0041F | umac minor
kernel: iwlwifi 0000:00:14.3: 0x00005CE8 | frame pointer
kernel: iwlwifi 0000:00:14.3: 0xC0887F58 | stack pointer
kernel: iwlwifi 0000:00:14.3: 0x00000000 | last host cmd
kernel: iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
kernel: iwlwifi 0000:00:14.3: Fseq Registers:
kernel: iwlwifi 0000:00:14.3: 0x00000003 | FSEQ_ERROR_CODE
kernel: iwlwifi 0000:00:14.3: 0x00000000 | FSEQ_TOP_INIT_VERSION
kernel: iwlwifi 0000:00:14.3: 0xF75B34D7 | FSEQ_CNVIO_INIT_VERSION
kernel: iwlwifi 0000:00:14.3: 0x0000A384 | FSEQ_OTP_VERSION
kernel: iwlwifi 0000:00:14.3: 0x69709CB0 | FSEQ_TOP_CONTENT_VERSION
kernel: iwlwifi 0000:00:14.3: 0x54A0A478 | FSEQ_ALIVE_TOKEN
kernel: iwlwifi 0000:00:14.3: 0x4E7FF0E7 | FSEQ_CNVI_ID
kernel: iwlwifi 0000:00:14.3: 0x4DCDCD1F | FSEQ_CNVR_ID
kernel: iwlwifi 0000:00:14.3: 0x20000302 | CNVI_AUX_MISC_CHIP
kernel: iwlwifi 0000:00:14.3: 0x00000201 | CNVR_AUX_MISC_CHIP
kernel: iwlwifi 0000:00:14.3: 0x0000485B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
kernel: iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRRO
kernel: iwlwifi 0000:00:14.3: SecBoot CPU1 Status: 0x5c5b, CPU2 Status: 0x3
kernel: iwlwifi 0000:00:14.3: Failed to start RT ucode: -110
kernel: iwlwifi 0000:00:14.3: Firmware not running - cannot dump error
kernel: iwlwifi 0000:00:14.3: Failed to run INIT ucode: -110