Search Tips
|
Display |
Cause |
Solution |
|---|---|---|
|
“E-4” “ctrl hot” |
Control board too hot; blower wheel clogged or not working |
Clean or have blower replaced |
|
“E-5” “too hot” |
Software high limit (Air Temperature too hot) |
Have control board and contactor checked or replaced Have blower checked and replaced if necessary |
|
“E-6” “PROB ERR” |
Temperature probe failure |
Check probe connection at board, or have probe replaced |
|
“E-50” “CPU Chip” “E-51” “rA-CHIP” “E-53” “ro-CHIP” “E-41” “data Err” |
CPU RAM Error External RAM error External ROM error Scrambled Memory |
“E-50”, “E-51”, “E-53”, and “E-41” are software errors; reinitialize the board, and if error persists, replace control board |
