Honeywell HC09CESAWK Manual De Instrucciones página 25

ERROR CODE GUIDE
ERROR CODE
"E1"
"E2"
"Lo"
"Hi"
ERROR POSSIBLE CAUSE
Temperature sensor open circuit/short circuit.
Copper tube sensor open circuit/short circuit.
Temperature is below 32°F (-9°C).
Temperature is over 99°F (50°C).
EN 17