Panasonic CS-VZ9SKE Service Manual page 111

17.4.10 H33 (Connection Error of the Models with Different Voltage Power Supply)
Troubleshooting
Are the indoor and outdoor units connected following the correct voltage
specifications?
Diagnosis Procedures and Cause
No abnormality is observed
An abnormality
is observed
111
Measures to be Taken
Fix the problem.
Replace the control boards of indoor
and outdoor unit.