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10-4. SELF-DIAGNOSIS ACTION TABLE
<Abnormalities detected when the power is put on>
Error Code Meaning of error code and detection method
None
63L connector open
Abnormal if 63L connector circuit is open
for three minutes continuously after power
supply.
63L: Low-pressure switch
F3
(5202)
<PUHZ-RP100-140VHA,
RP100-140YHA only>
63H connector open
Abnormal if 63H connector circuit is open
for three minutes continuously after power
supply.
F5
63H: High-pressure switch
(5201)
1 No voltage is supplied to terminal
block(TB1) of outdoor unit.
a) Power supply breaker is put
b) Contact failure or discon-
c) Open phase (L or N phase)
2 Electric power is not charged
to power supply terminal of
outdoor power circuit board.
a) Contact failure of power
b) Open phase on the outdoor
3 Electric power is not supplied to
outdoor controller circuit board.
—
a) Disconnection of connector
4 Disconnection of reactor (DCL
or ACL)
5 Disconnection of outdoor noise
filter circuit board or parts failure
in outdoor noise filter circuit
board
6 Defective outdoor power circuit
board
7 Defective outdoor controller
circuit board
1 Disconnection or contact failure
of 63L connector on outdoor
controller circuit board
2 Disconnection or contact failure
of 63L
3 63L is working due to refriger-
ant leakage or defective parts.
4 Defective outdoor controller
circuit board
1 Disconnection or contact failure
of 63H connector on outdoor
controller circuit board
2 Disconnection or contact failure
of 63H
3 63H is working due to defective
parts.
4 Defective outdoor controller
circuit board
(Note 1) Refer to indoor unit section for code P and code E.
Case
off.
nection of power supply
terminal
supply terminal
power circuit board
RP35-71V :Disconnection of
connector R or S
RP100V~140V
:Disconnection of connector
TABT or TABS
(CNDC)
36
Judgment and action
1 Check following items.
a) Power supply breaker
b) Connection of power supply terminal block.
(TB1)
c) Connection of power supply terminal block.
(TB1)
2 Check following items.
a) Connection of power supply terminal block.
(TB1)
b) Connection of terminal on outdoor power
circuit board.
RP35-71V :Disconnection of connector R or S.
Refer to 10-9.
RP100V-140V :Disconnection of connector
TABT or TABS. Refer to 10-9.
3 Check connection of the connector (CNDC)
on the outdoor controller circuit board.
Check connection of the connector, LD1 and
LD2 for RP35-71V and CNDC for RP100-
140, on the outdoor power circuit board (V) /
noise filter(Y).Refer to 10-9.
.
4 Check connection of reactor. (DCL or ACL)
RP35-71V: Check connection of "LO" and
"NO" on the outdoor noise filter circuit board.
Check connection of "R" and "S" on the
outdoor power circuit board.
RP100-140V: Check connection of "L1" and "L2"
on the active filter module.(ACTM)
Refer to 10-9.
5 a) Check connection of outdoor noise filter
circuit board.
b) Replace outdoor noise filter circuit board.
Refer to 10-9.
6 Replace outdoor power circuit board.
7 Replace controller board (When items above
are checked but the units can not be repaired.)
1 Check connection of 63L connector on
outdoor controller circuit board.
Refer to 10-9.
2 Check the 63L side of connecting wire.
3 Check refrigerant pressure.
Charge additional refrigerant.
Check continuity by tester.
Replace the parts if the parts are defective.
4 Replace outdoor controller circuit board.
1 Check connection of 63H connector on
outdoor controller circuit board.
Refer to 10-9.
2 Check the 63H side of connecting wire.
3 Check continuity by tester.
Replace the parts if the parts are defective.
4 Replace outdoor controller circuit board.
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