Le- Dc Fan Motor Phase Error; Lf- Dc Fan Motor Lost Step Protection - Toyotomi KURO Mini Service Manual

LE- DC fan motor phase error

LF- DC fan motor Lost step protection

Error phenomenon
Explanation of error
Frequent
problematic part
Inspection procedure
and key points
Error code
LED light signal of
external panel
Cause: ODU PCB board broken, voltage too low or too high, plug
too loose, module error, DC fan error
external main control panel, module, DC fan
1. Check the ODU PCB board if there is any broken;
2. Check whether the wind speed of external fan is abnormal;
3. Check if system pressure is too high;
After check mentioned 3 steps, if the L9 error is still occur, pls
check as the guidence of Error code "F1".
LE
LF
LED1
LED2
LED3
Flash
Flash
Light