
10.ELECTRIC CIRCUIT FIX
PROBLEM
CAUSE
HOW TO FIX IT
SHOW E1
1:room temperature sensor damage
replace the sensor or call service center
SHOW E2
1:eva temperature sensor damage
replace the sensor or call service center
WITHOUT ACTION
1:without power supply
check power and plug connect on or not
2:without power into transformer
check power fuse connect or not
3:without power out from transformer transformer damage,replace it
4:without power out from 7805
replace 7805 (mark on IC3)