Midea TempMaker Series Technical Manual page 106

R410A 380~415V 3Ph 50Hz TempMaker Series Split AC MCAC-UTSM-2014-03
E0
E1, E2
P1, P2
They are the normal protection. Under the cooling mode, when the pipe's temperature of
evaporator is too low, the protection will be triggered to avoid ice covering the evaporator.
Under the heating mode, once the pipe's temperature is too high, the P2 protection will be
triggered.
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