EAS ELECTRIC EMCH Serie Manual De Instalación Y Manual De Usuario página 173

18.5 Troubleshooting
19.5.1 E9
E9: EEPROM error
Check whether EEPROM is correctly installed
PCB is damaged
19.5.2 H0
H0: Unit communication error
Check whether module board and its signal
wire is connected effectively
Whether LED is flicker normally (green
light) while power on
Replace module board
78
Yes
Yes
No
Yes
EEPROM
NO
Replace EEPROM
Replace PCB
No
Reconnect wire
PCB is damaged, replace PCB
V.2