Bosch AHUW036A2 Service Manual page 10

Error handling instructions for Split outdoor unit
ODU Split 11t, 13t, 15t
Fig. 10 ODU Split 11t, 13t, 15t
[1] Inverter PCB
[2] CT sensing check point
▶ Check input current T_PFC and R_PFC
▶ Check output of the CT sensor: DC 2.5 0.2V
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6 720 817 722-08.1I
Split ODU – 6 720 817 722 (2015/06)