Johnson Controls YVAHP072B31S, Service Manual

Page: 740 / 1796

8.2 Self-Checking Mode
In this section is described the procedure for checking each function item in self-checking mode.
No.
SW2 “OPTION” DSW
Setting
Setting
Condition
7-Segment LED Display
Checking
Item
Description
Beginning Normal
Error
detected
1
ON
1 2 3 4 5 6 7 8
Pin 1 and 2
ON
H-LINK
Communication
Check the
communication status
on H-LINK
2
ON
1 2 3 4 5 6 7 8
Only Pin 3
ON
Ethernet
Communication
Check the
communication status
on Ethernet. Select
the IP Address of this
GHYLFHWKHQ
check.
3
ON
1 2 3 4 5 6 7 8
Pin 1, 2 and 3
ON
SW2
“OPTION”
Read
Check if SW2 “OPTION”
is read correctly.
After starting diagnosis,
turn all Pins OFF, then
turn them ON one after
DQRWKHU3LQ21ĺ
3LQ2))ĺ3LQ21ĺ
3LQ2))3LQ21ĺ
8 Pin OFF).
If 30 seconds after
starting diagnosis, all
Pins don’t illuminate, 7E
will be displayed.
4
ON
1 2 3 4 5 6 7 8
Only Pin 4
ON
SW5
“MODE”
Read
Check if SW5 “MODE”
is read correctly.
After starting diagnosis,
turn all Pins OFF, then
turn them ON one after
DQRWKHU3LQ21ĺ
3LQ2))ĺ3LQ21ĺ
3LQ2))3LQ21ĺ
8 Pin OFF).
If 30 seconds after
starting diagnosis, all
Pins don’t illuminate, 8E
will be displayed.
5
ON
1 2 3 4 5 6 7 8
Pin 2 and 4
ON
LED light Check
Check if the LED and
7-segment LED are
illuminating correctly.
*1: When performing the Read check for DSW, take note of the setting condition to be able to return to the original condition.
'RQRWSHUIRUPDQ\VHOIFKHFNLQJZLWKDQ\VHWWLQJRWKHUWKDQVSHFL¿HGDERYH
(1) Turn OFF the power to the CCCA01.
(2) Remove all cables and wiring connected to the CCCA01, air conditioners, management computer and other
external devices.
(3) Set all pins for SW2 “OPTION” OFF, and turn the power ON. (Refer to Item number one in Table 5.3)
(4) Self-checking will be initiated. (Check if the 7-segment LED is indicating self-checking mode in Table 5.3)
(5) Check each function by switching pin settings for SW2 “OPTION” as shown in Table 8.3.
(DFKFKHFNSURFHGXUHZLOOVWDUWXSRQSUHVVLQJGRZQWKH6:³237,21´VZLWFKDIWHUVHWWLQJWKH6:
“OPTION”.
(7) Upon completing self-checking, turn the power to the CCCA01 OFF, and set the SW2 “OPTION” as set before
self-checking, and turn ON CCCA01.
Table 8.3: DSW Setting and Checking Contents in Self-Checking Mode
1-724
Service Manual
INSTALLATION