Panasonic / ClimaPure XZ Series
Panasonic H 67 error code
Panasonic lists H 67 as nanoe abnormality. This is an internal air-treatment function fault.
- Urgency
- advisory
- Verified
- Jul 31, 2026
- Fix path
- Technician
What it means
Panasonic lists H 67 as nanoe abnormality. This is an internal air-treatment function fault.
Urgency
advisory
Try one safe restart only. If the code returns, schedule authorized service.
Likely causes
- nanoe air-treatment module has failed
- nanoe module connector or wiring is loose, damaged, or corroded
- Dust or moisture contamination is affecting the nanoe module
- Indoor control board fault in the air-treatment circuit
Homeowner fix
Turn the system off and power cycle once if safe. Do not open the indoor unit or attempt nanoe module service.
When to call a pro
Call an authorized Panasonic dealer if H 67 returns. Tell them Panasonic lists H 67 as nanoe abnormality.
This code points to electrical or inverter work - get repair quotes from contractors in your area.
Get repair quotesRepair vs replace
Air-treatment faults are usually repairable and rarely justify replacement by themselves.
See Panasonic mini-splitsYour Panasonic model
ClimaPure XZ Series model pages in the Panasonic catalog help compare this repair path with current replacement options.
- Panasonic ClimaPure XZ Series 9,000 BTU R-32 208/230V (CS-XZ9AKUAW / CU-XZ9AKUAC)
ClimaPure XZ Series
- Panasonic ClimaPure XZ Series 12,000 BTU R-32 208/230V (CS-XZ12AKUAW / CU-XZ12AKUAC)
ClimaPure XZ Series
- Panasonic ClimaPure XZ Series 15,000 BTU R-32 208/230V (CS-XZ15AKUAW / CU-XZ15AKUAC)
ClimaPure XZ Series
- Panasonic ClimaPure XZ Series 18,000 BTU R-32 208/230V (CS-XZ18AKUAW / CU-XZ18AKUAC)
ClimaPure XZ Series
For your technician
Official Panasonic diagnostic display: H 67 - nanoe abnormality. Page context: Panasonic maps this display to the ClimaPure XZ Series line; source: Panasonic Operating Instructions Air Conditioner CS-XZ, CS-MXZ, CU-XZ, CU-xZxxABUC and CU-xZxxBBUC Series, English, ACXF55-35103; display convention: match the letter H and sixty seven marker exactly before comparing neighboring codes.
Which systems show it
ClimaPure XZ Series
Related troubleshooting
Use the symptom guide alongside the exact display code if the unit is flashing, cycling, or showing comfort symptoms.
Related codes
Source
- Document
- Panasonic Operating Instructions Air Conditioner CS-XZ, CS-MXZ, CU-XZ, CU-xZxxABUC and CU-xZxxBBUC Series, English, ACXF55-35103