GREE Photovoltaic Direct-driven Inverter Multi VRF Units
201
2.3.4.61 “F5” Compressor 1 discharge temperature sensor error
Error display:
ODU mainboard, IDU wired controller and IDU receive light board will
display
Error judgment condition and method:
Sample the AD value of temperature sensors through temperature sensors circuit and judge the
range of AD value; if the sampled AD value exceeds upper limit and lower limit in 30 seconds
continuously, report the error.
Possible reason
■Poor contact between discharge temperature sensor and terminal in mainboard interface
■Discharge temperature sensor is abnormal
■Detecting circuit is abnormal
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