Haier HU062WAMNA Service Manual page 127

[33] Outdoor EEPROM failure
If the EEPROM is fixed well
Replace EEPROM
[34] Discharging temp too high protection (Td)
If sensor terminal is fixed well
If sensor resistor/characteristic
If the system is lack of
refrigerant
Replace connecting board
Y
Y
is proper
Y
N
N
Re-connect
N
Reconnect
N
Replace sensor
Y
Charge refrigerant
127