Daikin FCQ50C7VEB x 2 - Page 159

Si20-701_B Troubleshooting by Remote Controller
152
Refer to P.464.
Refer to P.475.
A
RZQ-C
NO
Except RZQ-C
Replace the
outdoor unit PCB
(A1P).
Is
the error “H3”
displayed?
YES
Replace the high
pressure switch.
YES
Correct the
failure.
Check
"Refrigerant
overcharge"
Replace the
outdoor unit
PCB.
The pressure is
abnormally
high.
CHECK 4
CHECK 10
CHECK 4
CHECK 10