35
9.2 Trouble shooting
9.2.1 EEPROM parameter error diagnosis and solution(E0/F4)
Error Code
E0/F4
Malfunction decision
conditions
Indoor or outdoor PCB main chip does not receive feedback
from EEPROM chip.
Supposed causes
●
Installation mistake
●
PCB faulty
Trouble shooting:
Yes
Replace the indoor/outdoor
main PCB.
Power off, then restart the
unit 2 minutes later.
EEPROM: a read-only memory whose contents can be erased and reprogrammed using a pulsed
voltage. For the location of EEPROM chip, please refer to the below photos.
Note: The two photos above are only for reference, it’s may be not same totally with the ones
on your side.
Indoor PCB
Outdoor PCB
Содержание YHKE09XEEAMH-RX
Страница 8: ...6 For 7K INDOOR YHKE09XEEAMH RX For YHKE12XEEAMH RX For YHKE18XEEAMH RX...
Страница 9: ...7 For YHKE24XEEAMH RX...
Страница 13: ...11 For YHKE24YEEAMHO X MOCA30 24HFN1 QRC8GW...
Страница 22: ...20 6 Wiring Diagram 6 1 Indoor Unit 7K INDOOR YHKE09XEEAMH RX YHKE12XEEAMH RX YHKE18XEEAMH RX YHKE24XEEAMH RX...
Страница 23: ...21 6 2 Outdoor Unit YHKE09YEEAMHO X YHKE12YEEAMHO X...
Страница 24: ...22 YHKE18YEEAMHO X YHKE24YEEAMHO X...
Страница 53: ...2016 Johnson Controls Inc www johnsoncontrols com Doc No M Pyrenees 160929...