If E1 fault has not cleared:
# Check the continuity of the active wiring connection on the main outdoor terminal block, to the (CN4)
soldered wiring point on the outdoor main PCB.
# Check the continuity of the neutral wiring connection on the main outdoor terminal block, to the
(CN5) soldered wiring point on the outdoor main PCB.
Active wiring connection point on main outdoor
terminal block.
“CN4” point on outdoor main PCB.
Neutral wiring connection point on main
outdoor terminal block.
“CN5” point on outdoor main PCB
Page 13 KSSSI90