Panasonic CS-VZ9SKE - Page 111

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