Altech ATE-053DCIMX05, Техническое и сервисное руководство

Страница: 22 / 32

8.4 Troubleshooting
8.4.1 Indoor unit trouble shooting
Indoor unit display LED STATUS
E0 EEPROM error
Indoor unit display LED STATUS
E1 outdoor communication error
Circuit or software error on indoor
Replace indoor PCB
Disconnect the power supply, after 1 minute, connect
the power supply , turn on the unit with remote
controller
Does the unit work normally ?
Check the wiring between
indoor and outdoor unit. Is the
connection of L, N, S and GND
good?
Is the GND connection on
outdoor PCB good?
NO
NO
Reconnect and retest again
Is the LED4(red) on outdoor
PCB bright and LED1(yellow)
blinking?
Replace outdoor e-box.
Yes
Yes
The power supply for outdoor
PCB is fail. Check the wiring
on outdoor PCB comparing
with wiring plate. Is the
connection good?
No
Correct the connection.
Yes
No
Replace indoor PCB
and repower on. Is the
failure cleared?