KD-43/49X8301C (FW-43/49X8370C), 8305C, 8307C, 8308C, 8309C
103
TROUBLE SHOOTING
3-3-9. 7 Times Blinking (Temperature Error)
7-time blinking
B* Board NG
Yes
Panel
NG
Change B* Board,
and Aging a few
hours
Setting
circumstance is OK?
Temperature,
Ventilation, etc.
Set to another
location, etc.
No
Symptom
improvement
Check I2C_C bus
communication OK?
(check the next page)
Yes
No
Temp sensor
IC1400
I2C_C bus dumping or
Muffin check