Honeywell MO08CESWS6 - ERROR CODE GUIDE; Error Codes and Potential Causes

15EN
ERROR CODE GUIDE
ERROR CODE ERROR POSSIBLE CAUSE
"E1" Temperature sensor open circuit/short circuit.
"E2"
(for cooling and
heating model)
Copper tube sensor open circuit/ short circuit.
"Lo" Temperature is below -9°C (32°F).
“Hi” Temperature is over 50°C (99°F).