Error code

Mitsubishi Electric PURY code 7102

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Meaning

Outdoor unit Error in the number of connected units The number of connected indoor units is "0" or exceeds the allowable value.

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Possible causes

(1) Number of indoor units connected to the outdoor terminal block (TB3) for indoor/outdoor transmission lines exceeds limitations described below. Restriction on the Number of units number of units (1) Total number 1-13 : P72 model of indoor 1-16 : P96 P108 models units 1-20 : P126 model 1-22 : P144 - P168 models 1-24 : P192 - P204 models 1-32 : P216 P234 models (2) Total number of LOSSNAY units 0 or 1 (During auto address startup only) (2) Disconnected transmission line of the outdoor unit (3) Short-circuited transmission line When (2) and (3) apply, the following display will appear. In case of M-NET remote controller -> Nothing appears on the display as no power is supplied to the remote controller. In the case of MA remote controller -> "HO" will blink. (1) 1-15 : P72 model Total number of indoor units 1-19 : P96 model 1-20 : P108 P126 models 1-24 : P144 - P204 models 1-32 : P216 P234 models (2) Number of BC 1 controllers (P72 - P126 models only) (3) Number of Main BC controllers 0 or 1 (4) Number of Sub BC controllers 0,1 or 2 (5) Total number of LOSSNAY units (During auto 0 or 1 address start-up only) (2) The outdoor unit address is set to 51-100 although the address is automatically set up (MA remote controller). ("HO" appears on the display on MA remote controller.) (3) Disconnected transmission line of the outdoor unit (4) Short-circuited transmission line When (3) and (4) apply, the following display will appear. In case of M-NET remote controller -> Nothing app

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