U-Match Series DC Inverter Service Manual 
104 
  E8 Malfunction of Indoor Fan Motor 
 
2.2 Troubleshooting Flow Chart of Drive Malfunction 
Note: For Outdoor Unit Drive (Inverter) by Single-phase Motor 
(Applicable to GUHD09NK3FO/GUHD12NK3FO/GUHD18NK3FO/GUHD24NK3FO 
/GUHD30NK3FO/GUHD36NK3FO/GUHD42NK3FO/GUHD48NK3FO/GUHD36NM3FO 
/GUHD42NM3FO/ GUHD48NM3FO/GUHD60NM3FO) 
  P0 Drive module reset 
  P7 IPM or PFC temperature sensor error 
  PA AC current protection (input side) 
  PC Current sense circuit error 
  HC PFC protection(48k only)