L5- Pfc Overcurrent Hardware Protection; L6- Pfc Overcurrent Software Protection; L7- Current Detection Ad Abnormal Protection; Lc- Pfc Current Detection Ad Abnormal Protection - Toyotomi KURO Mini Service Manual

L5- PFC overcurrent hardware protection

L6- PFC overcurrent software protection

L7- Current detection AD abnormal protection

LC- PFC current detection AD abnormal protection

Ld- Dc fan motor detection AD abnormal 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, or
suddenly change of voltage
Supply voltage
1. Check the ODU PCB board if there is any broken;
2. Check if the voltage is too low or too high, and if there is
suddenly change of voltage
After check mentioned 2 steps, if the error is still occur, pls check
as the guidence of Error code "F1".
L5
L6
L7
LC
Ld
LED1
LED2
LED3
Flash
Flash
Light