Yes
●
Yes
●
Yes
●
Start
No
No
No
No
No
Line voltage at AC-L & AC-N
Line voltage at AC-L & AC-N
on the IPM (9K CN8 & CN9 /
Module Power voltage -
CN22 on the PCB:
Module Power voltage -
CN10 on the IPM
Module Com voltage - CN23 on the PCB
Module Com voltage - CN11 on the IPM
Yes
Yes
Yes
No
Yes
No
Yes
No
from building
wiring harness
power wiring
harness
COM Wiring
Harness
Line voltage at
AC-L OUT & AC-N
OUT on the PCB
Error Code
(Indoor/Outdoor)
F3/LED1: 4 Flash
Communication Fault Between IPM and
Outdoor PCB
Complete the “Check This First” Flow
Chart before continuing.
Models:
AW09EH2VHD
AW12EH2VHD
AW18EH2VHD
1U09EH2VHD
1U12EH2VHD
1U18EH2VHD
ERROR CODES and Troubleshooting
●
PAGE 36
Summary of Contents for AW09EH2VHD
Page 2: ... This page intentionally left blank ...
Page 4: ...Failure to follow any CAUTION may in some cases result in grave consequences ...
Page 6: ...PAGE 6 ...
Page 9: ...5VDC and 15VDC pulsing communication connection between the PCB and the IPM ...
Page 10: ......
Page 11: ......
Page 12: ......
Page 13: ......
Page 14: ......
Page 15: ...Connector for coil temperature sensor and room temperature sensor ...
Page 17: ......
Page 19: ......
Page 22: ......
Page 23: ......
Page 26: ...PAGE 32 ...
Page 50: ...Error Code E7 LED1 15 Flash Wiring Diagram Reference PAGE 50 ERROR CODES and Troubleshooting ...
Page 57: ...PAGE 57 Ambient Defrost and Pipe Sensor Tables Discharge Sensor Tables ...