notes on solid green led -> heater pcb damange

Pioreactor · Nov 22, 2023 · aaa30f9 · aaa30f9
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diff --git a/...tending your Pioreactor/04-Experiment Profiles/10-experiment-profiles-schema.md b/...tending your Pioreactor/04-Experiment Profiles/10-experiment-profiles-schema.md
@@ -18,7 +18,7 @@ plugins: # Optional
     min_version: <string> # Minimum required version of the plugin
 
 labels: # Optional: provide aliases
-    <pioreactor_unit_name>: <alias_name> # Optional: aliases for Pioreactors
+  <pioreactor_unit_name>: <alias_name> # Optional: aliases for Pioreactors
 
 common: # Optional: jobs that are common for all Pioreactors
   <job_name>:

diff --git a/user-guide/50-Troubleshooting/Hardware troubleshooting.md b/user-guide/50-Troubleshooting/Hardware troubleshooting.md
@@ -1,15 +1,23 @@
 ---
-title: Hardware (PCBs)
-slug: /troubleshooting-Hardware
+title: Hardware and operation
+slug: /troubleshooting-hardware
 ---
 
+### My Pioreactor isn't responsive anymore
+
+If your Pioreactor stops being responsive (and _was previously working_),
+
+ - For Raspberry Pi 3A model, is the Pi's green LED constantly on?
+   - there should be a short, perhaps caused by damage. Power off, and disconnect the heater PCB's flat-flex cable from the HAT (unlock, and pull straight out), and power on. Is the Pioreactor responsive now? Investigate the heater PCB for damage.
+
 
 ### I often see a "Pioreactor HAT must be present" error, but the HAT is definitely attached. 
 
 Try the following, in order:
 
  - [SSH](/user-guide/accessing-raspberry-pi) into the Pioreactor that's causing problems. Run `pio version -v`. Does the `firmware` section say `0.0`? If so, run `sudo systemctl restart load_rp2040.service`. Try `pio version -v` again. Move on if `firmware` still says `0.0`.
  - Disconnect the heater PCB's flat-flex cable from the HAT (unlock, and pull straight out). Try `pio version -v` again. If this shows something other than `0.0` beside firmware, there could be a problem with your heater PCB. Email us at [email protected].
+ - See section [above](/user-guide/troubleshooting-Hardware#my-pioreactor-isnt-responsive-anymore).
 
 ### I see "Heating PCB must be attached to Pioreactor HAT" or Heating PCB must be present to measure RPM." errors.