Error code

Mitsubishi Electric PQHY code 7100

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Meaning

Heat source Total capacity error unit The model total of indoor units in the system (including LOSSNAY with heating and moistening system installed) with one heat source unit exceeds limitations.

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Possible causes

(1) The model total of indoor units in the system heat source units with one heat source unit exceeds the following table. Model Capacity Total PQHY-P200 302 PQHY-P250 378 (2) The switch settings for the model selection are wrong. (SW3-10)

Solution

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