diff --git a/relay/playbooks/ember-log-grep-pc1.ps1 b/relay/playbooks/ember-log-grep-pc1.ps1
new file mode 100644
index 00000000..babe5739
--- /dev/null
+++ b/relay/playbooks/ember-log-grep-pc1.ps1
@@ -0,0 +1,12 @@
+# Ember: reads only. The installed app's own tune lines (not the job echoes) from <data root>\logs, newest file:
+# the engine's "tune:" requests and answers, "tune helper", TUNE start/aborted/chosen/rows, and the helper.log tail.
+$ErrorActionPreference = 'Continue'
+$l = Get-ChildItem (Join-Path $env:LOCALAPPDATA 'igneum\logs') -Filter 'app-*.log' -ErrorAction SilentlyContinue | Sort-Object LastWriteTime -Descending | Select-Object -First 1
+if (-not $l) { Write-Output 'RESULT GREP no app log'; exit 1 }
+Write-Output ('RESULT GREP log=' + $l.FullName)
+Get-Content -LiteralPath $l.FullName | Where-Object { ($_ -match '\] tune|^\d+ tune|tune helper|TUNE (start|aborted|chosen|card=|helper)|refused|did not take|power cap|Power Helper') -and ($_ -notmatch 'job ember-|RESULT ') } | Select-Object -Last 80 | ForEach-Object { Write-Output ('RESULT GREP ' + $_) }
+$h = Join-Path $env:LOCALAPPDATA 'igneum\app\sweep\helper.log'
+if (Test-Path -LiteralPath $h) { Get-Content -LiteralPath $h | Select-Object -Last 12 | ForEach-Object { Write-Output ('RESULT GREP helper ' + $_) } }
+$c = Join-Path $env:LOCALAPPDATA 'igneum\app\sweep\cmd.txt'
+if (Test-Path -LiteralPath $c) { Write-Output ('RESULT GREP cmd.txt: ' + ((Get-Content -LiteralPath $c) -join ' / ')) }
+exit 0