Haier MRV SII AU042FNEUA Service Manual page 56

[36] Protection of oil temperature too low
If the terminal of LEVb is fixed well
If Toil is fixes well and if
its characteristic is correct
Yes
Yes
In cooling mode, when the
indoor unit off if the EEV
can't completely close
No
Check if refrigerant is
too much
No
Fix again or replace the sensor
No
Yes
Replace or adjustment
the indoor unit EEV
Yes
Recharge refrigerant
54
Reconnect