Sharp AE-X26FR-N - Page 37

AYXP26FRN
3 – 16
Indoor/
outdoor
units in
complete
shutdown
11
times
11 -0 Outdoor unit DC
fan
Outdoor unit DC fan
rotation error
(1) Check connector CN3 of
the outdoor unit DC fan
motor for secure installa-
tion.
(1) Correct the installa-
tion.
(2) Check the outdoor unit
fan motor for proper rota-
tion.
(2) Replace the outdoor
unit fan motor.
(3) Check fuse FU3. (3) Replace the outdoor
unit control PWB
assembly.
(4) Outdoor unit control PWB (4) Replace the outdoor
unit control PWB
assembly.
Indoor/
outdoor
units in
complete
shutdown
13
times
13 -0 DC compressor Compressor startup
error
(1) Check the colors (red,
white, orange) of the
compressor cords for
proper connection. (PWB
side, compressor side)
(1) Correct the installa-
tion.
(U: Red, V: White, W:
Orange)
-1 Compressor rota-
tion error
(120° energizing
error)
(2) Check if the IPM terminal
resistance values are uni-
form.
(2) Replace the outdoor
unit control PWB
assembly.
(3) No abnormality found in
above inspections (1) and
(2).
(3) Replace the outdoor
unit control PWB
assembly.
(4) No abnormality found in
above inspections (1)
through (3).
(4) Replace the com-
pressor.
Indoor/
outdoor
units in
complete
shutdown
14
times
14 -0 Outdoor unit
PAM
PAM overvoltage
error
Compressor rota-
tion error
(1) Check the AC power sup-
ply voltage for fluctuation.
(1) Connect stable power
supply.
(2) No abnormality found in
above inspection (1).
(2) Replace the outdoor
unit control PWB
assembly.
Indoor/
outdoor
units in
operation
-1 PAM clock error (1) Check the PAM clock for
proper input.
(1) Replace the outdoor
unit control PWB
assembly.
Status of
indoor/
outdoor
units
Indication
by LED1 on
outdoor
unit *2
Malfunction
No. dis-
played on
main unit
display sec-
tion *1
Content of diagnosis Inspection location/method Remedy
Main
cate-
gory
Sub-
cate-
gory
Main category Sub-category