Heat pumps · Error codes · Panasonic
H00Panasonic · Panasonic, all models
H00 on a Panasonic heat pump: No abnormality detected
Short answer
On a Panasonic heat pump, H00 means: No abnormality detected. The heat pump keeps running.
Reviewed 23 September 2026 · 1 source
What it means
The manual says: No abnormality detected.
Part involved: none.
When it shows: Shown in error history when no abnormality has been recorded.
Likely causes:
- Not stated in the Panasonic documents opened.
Is it safe?
| Does the heat pump stop? | No |
|---|---|
| Severity | Information only |
| Engineer needed? | No |
The heat pump keeps running.
Resetting itself: n/a.
Manual reset: n/a.
What you can check
- No action required; H00 means no abnormality recorded.
What the engineer will check
- n/a.
Who to ask for: n/a.
Certification: n/a.
Sources
- Service Manual Hydromodule WH-SDC0509L3E5/L6E5 with WH-WDG05LE5/07LE5/09LE5 (Order No PAPAMY2307068CE) ↗ · PAPAMY2307068CE · page 189 (error codes table) · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026