Self-Diagnosis Method - Panasonic WH-MDC09C3E8 Service Manual
Monobloc air-to-water heatpump system
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Also See for WH-MDC09C3E8:
- Service manual (139 pages) ,
- Operating instructions manual (92 pages) ,
- Design handbook (132 pages)
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16.5
Self-diagnosis Method
16.5.1 Connection Capability Rank Abnormality (H12)
Malfunction Decision Conditions:
During startup operation of cooling and heating, the capability rank of indoor checked by the outdoor is used to
determine connection capability rank abnormality.
Malfunction Caused:
1
Wrong model interconnected.
2
Wrong indoor unit or outdoor unit PCB (main) used.
3
Faulty indoor unit or outdoor unit PCB (main).
Abnormality Judgment:
Continue for 90 seconds.
80
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