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[
X
LED monitor display on the outdoor unit board ]
4. Table of LED Codes
LED monitor display
No
SW
Item
Display
Remarks
1234567890
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD8
0
0000000000
Relay out-
put display 1
Lighting
Comp in
opera-
tion
Comp 1
in oper-
ation
Comp 2
in oper-
ation
52C1
52C2
Always
lit
LD8 stays lit at
all times while
the power to the
microcomputer
is on.
Check (er-
ror) display 1
OC error
0000 to 9999 (Address and error codes highlighted)
1
1000000000
Check (er-
ror) display 2
OC error
0000 to 9999 (Address and error codes highlighted)
Display of the
latest prelimi-
nary error
If no preliminary
errors are de-
tected, "----" ap-
pears on the
display.
2
0100000000
Check (er-
ror) display 3
(Including IC
and BC)
0000 to 9999 (Address and error codes highlighted)
If no errors are
detected, "----"
appears on the
display.
3
1100000000
Relay out-
put display 2
21S4a
21S4b
CH11
CH12
Items marked
with * are only
applicable to the
PURY series.
4
0010000000
Relay out-
put display 3
SV1
*SV2
SV3
*SV4a
*SV4b
*SV4c
5
1010000000
Relay out-
put display 4
*SV5a
SV5b
*SV4d
52F
6
0110000000
7
1110000000
Special con-
trol
Retry
opera-
tion
Emer-
gency
opera-
tion
8
0001000000
9
1001000000
Communica-
tion demand
capacity
0000 to 9999
If not demanded
controlled, "----"
[ % ] appears on
the display.
10
0101000000
Contact
point de-
mand ca-
pacity
0000 to 9999
If not demanded
controlled, "----"
[ % ] appears on
the display.
11
1101000000
External sig-
nal
(Open input
contact
point)
Contact
point
demand
Night
mode
Snow
sensor
Cool-
ing-
heating
change
over
(Cool-
ing)
Cool-
ing-
heating
change
over
(Heat-
ing)
12
0011000000
13
1011000000
14
0111000000
Outdoor unit
operation
status
BC op-
eration
com-
mand
Warm
up
mode
3-min-
utes re-
start
mode
Com-
pressor
in oper-
ation
Prelimi-
nary er-
ror
Error
3-min-
utes re-
start
after in-
stanta-
neous
power
failure
Prelimi-
nary low
pres-
sure er-
ror
Items marked
with * are only
applicable to the
PURY series.
15
1111000000
Current data
Содержание PUHY-P168
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Страница 366: ... 357 IX Troubleshooting ...
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Страница 368: ... 359 X LED monitor display on the outdoor unit board 1 How to read the LED on the service monitor 361 ...
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