Lh- Dc Fan Motor Ipm Protection - Toyotomi KURO Mini Service Manual

LH- DC fan motor IPM 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, The
connecting wire is broken, module panel error, the condenser is
blocked.
connecting wire, voltage, module, condenser
1. Check the ODU PCB board if there is any broken;
2. Check the connecting wire if the wire is broken, or not connect
fasten;
3. Check whether the dc fan is damaged;
4. Check whether the condenser is blocked;
After check mentioned 3 steps, if the LH error is still occur, pls
check as the guidence of Error code "F1".
L0
LED1
LED2
LED3
Flash
Flash
Light