# Pironman 5 Max not working **URL:** \ **Category:** Accessories for Raspberry Pi and Arduino\ **Created:** [July 29, 2026, 8:20am UTC](https://forum.sunfounder.com/t/pironman-5-max-not-working/4891 "2026-07-29T08:20:31Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![jm1704](https://avatars.discourse-cdn.com/v4/letter/j/5daacb/32.png) [@jm1704](https://forum.sunfounder.com/u/jm1704)\ **Post date:** [July 29, 2026, 8:20am UTC](https://forum.sunfounder.com/t/pironman-5-max-not-working/4891/1 "2026-07-29T08:20:31Z")
Hi, Installation was working well everything was ok work perfectly and open this morning no light and ventilator Start the commands With dmesg just a part of mesage log [1194.631606] pipower5 1-005c: Failed to read byte from register 0x9a: -121 [1194.655595] pipower5 1-005c: Failed to read byte from register 0x9a: -121 [1194.679593] pipower5 1-005c: Failed to read byte from register 0x9a: -121 [1194.703592] pipower5 1-005c: Failed to read byte from register 0x9a: -121 [1194.727591] pipower5 1-005c: Failed to read byte from register 0x9a: -121 [1194.751592] pipower5 1-005c: Failed to read byte from register 0x9a: -121 [1194.775685] pipower5 1-005c: Failed to read byte from register 0x9a: -121 [1194.799591] pipower5 1-005c: Failed to read byte from register 0x9a: -121 [1194.823601] pipower5 1-005c: Failed to read byte from register 0x9a: -121 $ sudo systemctl status pironman5.service × pironman5.service - pironman5 service Loaded: loaded (/etc/systemd/system/pironman5.service; enabled; preset: enabled) Active: failed (Result: exit-code) since Wed 2026-07-29 09:57:00 CEST; 10min ago Duration: 1.070s Process: 3028 ExecStart=/usr/local/bin/pironman5 start (code=exited, status=1/FAILURE) Main PID: 3028 (code=exited, status=1/FAILURE) CPU: 715ms Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) pironman5[3028]: return lgpio.gpiochip\_open(int(dev.name[-1])) Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) pironman5[3028]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) pironman5[3028]: File “/usr/lib/python3/dist-packages/lgpio.py”, line 645, in gpiochip\_open Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) pironman5[3028]: return \_u2i(handle) Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) pironman5[3028]: ^^^^^^^^^^^^ Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) pironman5[3028]: File “/usr/lib/python3/dist-packages/lgpio.py”, line 458, in \_u2i Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) pironman5[3028]: raise error(error\_text(v)) Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) pironman5[3028]: lgpio.error: ‘can not open gpiochip’ Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) systemd[1]: pironman5.service: Main process exited, code=exited, status=1/FAILURE Jul 29 09:57:00 [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) systemd[1]: pironman5.service: Failed with result ‘exit-code’. In raspi-config interface I2C is enable Thanks for return Regards ---
**Author:** ![SunFounder\_Moderator](https://avatars.discourse-cdn.com/v4/letter/s/34f0e0/32.png) [@SunFounder\_Moderator](https://forum.sunfounder.com/u/SunFounder_Moderator)\ **Post date:** [July 29, 2026, 10:05am UTC](https://forum.sunfounder.com/t/pironman-5-max-not-working/4891/2 "2026-07-29T10:05:12Z")
It looks like the system is not detecting the PiPower 5. Have you removed it from your setup? (The PiPower 5 is this external UPS module that connects to the GPIO header on the side of the Pironman 5 case: [PiPower 5 Raspberry Pi 5/4B/3B+/Zero 2 W UPS HAT, 5V/5A Power Supply, Safe Shutdown, Smart Alerts&Monitoring, USB-C PD 45W, Smart Power Management for NAS, Server, Home Assistant | SunFounder](https://www.sunfounder.com/products/sunfounder-raspberry-pi-4-ups-power-supply)) If it is still connected, please check the connection and reboot. ---
**Author:** ![jm1704](https://avatars.discourse-cdn.com/v4/letter/j/5daacb/32.png) [@jm1704](https://forum.sunfounder.com/u/jm1704)\ **Post date:** [July 29, 2026, 11:35am UTC](https://forum.sunfounder.com/t/pironman-5-max-not-working/4891/3 "2026-07-29T11:35:14Z")
Hi I didn’t had a pipower 5 connected Only the pi5 inside the pironman 5 Max I did a update upgrade from system today morning. uname -a Linux [lvghome.freeboxos.fr](http://lvghome.freeboxos.fr) 6.12.96+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.12.96-1+rpt1 (2026-07-24) aarch64 GNU/Linux I was reading something on the forum and adding this command execution jm1704@lvghome:~ $ sudo systemctl stop pironman5 jm1704@lvghome:~ $ sudo pironman5 start [INFO] [INFO] ############################################################ [INFO] Pironman5 Start [INFO] Pironman5 version: 1.3.18 [INFO] Variant: Pironman 5 Max V2 [INFO] Config: [INFO] { [INFO] “system”: { [INFO] “data\_interval”: 1, [INFO] “database\_retention\_days”: 30, [INFO] “temperature\_unit”: “C”, [INFO] “enable\_history”: true, [INFO] “oled\_enable”: true, [INFO] “oled\_rotation”: 0, [INFO] “oled\_sleep\_timeout”: 0, [INFO] “oled\_pages”: [“mix”, “battery”, “input”, “rpi\_power”], [INFO] “rgb\_enable”: true, [INFO] “rgb\_color”: “#0a1aff”, [INFO] “rgb\_brightness”: 100, [INFO] “rgb\_style”: “breathing”, [INFO] “rgb\_speed”: 50, [INFO] “rgb\_led\_count”: 4, [INFO] “rgb\_led\_count\_min”: 4, [INFO] “gpio\_fan\_pin”: 6, [INFO] “gpio\_fan\_mode”: 1, [INFO] “gpio\_fan\_led”: “follow”, [INFO] “gpio\_fan\_led\_pin”: 5, [INFO] “shutdown\_percentage”: 10, [INFO] “send\_email\_on”: [“low\_battery”, “power\_disconnected”, “power\_restored”, “power\_insufficient”, “battery\_critical\_shutdown”, “battery\_voltage\_critical\_shutdown”], [INFO] “send\_email\_to”: “”, [INFO] “smtp\_email”: “”, [INFO] “smtp\_password”: “”, [INFO] “smtp\_server”: “”, [INFO] “smtp\_port”: 465, [INFO] “smtp\_security”: “ssl”, [INFO] “pipower5\_buzzer\_volume”: 5, [INFO] “pipower5\_buzz\_on”: [“battery\_activated”, “low\_battery”, “power\_disconnected”, “power\_restored”, “power\_insufficient”, “battery\_critical\_shutdown”, “battery\_voltage\_critical\_shutdown”], [INFO] “pipower5\_buzz\_sequence”: {“battery\_activated”: [[“A4”, 200], [“pause”, 100], [“B4”, 200]], “low\_battery”: [[“A4”, 250], [“pause”, 150], [“A4”, 250]], “power\_disconnected”: [[“D5”, 150], [“G4”, 150]], “power\_restored”: [[“G4”, 150], [“D5”, 150]], “power\_insufficient”: [[“B4”, 200], [“pause”, 100], [“B4”, 200], [“pause”, 100], [“B4”, 300]], “battery\_critical\_shutdown”: [[“C6”, 120], [“pause”, 60], [“C6”, 120], [“pause”, 60], [“C6”, 400]], “battery\_voltage\_critical\_shutdown”: [[“C6”, 120], [“pause”, 60], [“C6”, 120], [“pause”, 60], [“C6”, 400], [“pause”, 60], [“C6”, 400]]}, [INFO] “debug\_level”: “INFO” [INFO] } [INFO] } [INFO] Device info: [INFO] { [INFO] “name”: “Pironman 5 Max”, [INFO] “id”: “pironman5-max”, [INFO] “peripherals”: [ [INFO] “input\_voltage”, [INFO] “output\_power”, [INFO] “delete\_log\_file”, [INFO] “restart\_service”, [INFO] “gpio\_fan\_led”, [INFO] “oled\_page\_ips”, [INFO] “cpu\_temperature”, [INFO] “shutdown”, [INFO] “pipower5\_buzz\_on”, [INFO] “oled\_sleep”, [INFO] “oled\_page\_mix”, [INFO] “storage”, [INFO] “output\_voltage”, [INFO] “shutdown\_percentage”, [INFO] “temperature\_unit”, [INFO] “gpio\_fan\_mode”, [INFO] “pwm\_fan\_speed”, [INFO] “ws2812”, [INFO] “pipower5”, [INFO] “oled\_page\_performance”, [INFO] “battery\_percentage”, [INFO] “battery\_current”, [INFO] “power-failure-simulation”, [INFO] “ip\_address”, [INFO] “gpio\_fan\_state”, [INFO] “gpu\_temperature”, [INFO] “oled\_page\_rpi\_power”, [INFO] “data\_interval”, [INFO] “network”, [INFO] “history”, [INFO] “oled\_page\_input”, [INFO] “pipower5\_buzzer\_volume”, [INFO] “pi5\_power\_button”, [INFO] “power\_source”, [INFO] “log”, [INFO] “pipower5\_buzzer”, [INFO] “reboot”, [INFO] “clear\_history”, [INFO] “memory”, [INFO] “input\_current”, [INFO] “output\_current”, [INFO] “battery\_voltage”, [INFO] “default\_on”, [INFO] “is\_charging”, [INFO] “cpu”, [INFO] “oled\_page\_battery”, [INFO] “oled\_page\_disk”, [INFO] “send\_email”, [INFO] “mac\_address”, [INFO] “debug\_level”, [INFO] “oled”, [INFO] “is\_input\_plugged\_in” [INFO] ], [INFO] “version”: “1.3.18”, [INFO] “app\_name”: “pironman5”, [INFO] “config\_path”: “/opt/pironman5/config.json” [INFO] } [INFO] PM\_Auto version: 2.0.5 [INFO] PM\_Dashboard version: 2.0.3 Traceback (most recent call last): File “/usr/local/bin/pironman5”, line 6, in sys.exit(\_cli.main()) ^^^^^^^^^^^ File “/opt/pironman5/venv/lib/python3.11/site-packages/pironman5/\_cli.py”, line 872, in main pironman5 = Pironman5(config\_path=config\_path) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File “/opt/pironman5/venv/lib/python3.11/site-packages/pironman5/pironman5.py”, line 120, in **init** self.pm\_auto = PMAuto(self.config[‘system’], ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File “/opt/pironman5/venv/lib/python3.11/site-packages/pm\_auto/pm\_auto.py”, line 53, in **init** self.addons = Addons( ^^^^^^^ File “/opt/pironman5/venv/lib/python3.11/site-packages/pm\_auto/addons/ **init**.py”, line 59, in **init** addons = get\_addons(peripherals) ^^^^^^^^^^^^^^^^^^^^^^^ File “/opt/pironman5/venv/lib/python3.11/site-packages/pm\_auto/addons/ **init**.py”, line 37, in get\_addons from .ws2812 import WS2812Addon File “/opt/pironman5/venv/lib/python3.11/site-packages/pm\_auto/addons/ws2812.py”, line 6, in import board File “/opt/pironman5/venv/lib/python3.11/site-packages/board.py”, line 45, in from adafruit\_blinka.board.raspberrypi.raspi\_5 import \* File “/opt/pironman5/venv/lib/python3.11/site-packages/adafruit\_blinka/board/raspberrypi/raspi\_5.py”, line 6, in from adafruit\_blinka.microcontroller.bcm2712 import pin File “/opt/pironman5/venv/lib/python3.11/site-packages/adafruit\_blinka/microcontroller/bcm2712/pin.py”, line 7, in from adafruit\_blinka.microcontroller.generic\_linux.lgpio\_pin import Pin File “/opt/pironman5/venv/lib/python3.11/site-packages/adafruit\_blinka/microcontroller/generic\_linux/lgpio\_pin.py”, line 31, in CHIP = \_get\_gpiochip() ^^^^^^^^^^^^^^^ File “/opt/pironman5/venv/lib/python3.11/site-packages/adafruit\_blinka/microcontroller/generic\_linux/lgpio\_pin.py”, line 26, in \_get\_gpiochip return lgpio.gpiochip\_open(int(dev.name[-1])) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File “/usr/lib/python3/dist-packages/lgpio.py”, line 645, in gpiochip\_open return \_u2i(handle) ^^^^^^^^^^^^ File “/usr/lib/python3/dist-packages/lgpio.py”, line 458, in \_u2i raise error(error\_text(v)) lgpio.error: ‘can not open gpiochip’ ---
**Author:** ![SunFounder\_Moderator](https://avatars.discourse-cdn.com/v4/letter/s/34f0e0/32.png) [@SunFounder\_Moderator](https://forum.sunfounder.com/u/SunFounder_Moderator)\ **Post date:** [July 30, 2026, 9:15am UTC](https://forum.sunfounder.com/t/pironman-5-max-not-working/4891/4 "2026-07-30T09:15:37Z")
It looks like you may have installed the PiPower 5 version of the Pironman 5 software. Please try reinstalling the standard version by running the following command: ```auto curl -sSL "https://raw.githubusercontent.com/sunfounder/pironman5/v1/install.sh" | sudo bash ``` ---
**Author:** ![jm1704](https://avatars.discourse-cdn.com/v4/letter/j/5daacb/32.png) [@jm1704](https://forum.sunfounder.com/u/jm1704)\ **Post date:** [July 30, 2026, 3:25pm UTC](https://forum.sunfounder.com/t/pironman-5-max-not-working/4891/5 "2026-07-30T15:25:10Z")
Hi I did a clean of what i can do removing completly pironman5 and pipower5 directories Réinstall the pironman5 without pipower and the problem was still the same but less messages. And i tried the command rpi-update to put the firmware update . did a reboot and when pi5 was up the light was there as before. Now everything ok Thanks ---
**Author:** ![SunFounder\_Moderator](https://avatars.discourse-cdn.com/v4/letter/s/34f0e0/32.png) [@SunFounder\_Moderator](https://forum.sunfounder.com/u/SunFounder_Moderator)\ **Post date:** [July 31, 2026, 7:53am UTC](https://forum.sunfounder.com/t/pironman-5-max-not-working/4891/6 "2026-07-31T07:53:41Z")
Thank you – we wish you all the best too! 😊 If you run into any further issues with your Pironman 5 Max, please don’t hesitate to reach out. We’re here to help.