Service Manual
1-173
INSTALLATION
9.3 Alarm
Code
Ɣ :KHQWKH581LQGLFDWRUÀDVKHVHYHU\IRXUVHFRQGVWKHUHLVDFRPPXQLFDWLRQIDLOXUHEHWZHHQWKHLQGRRU
XQLWDQGWKHZLUHGFRQWUROOHUORRVHFRQQHFWRUGLVFRQQHFWHGRULQFRUUHFWZLULQJRUDVHYHUHGFRQQHFWLRQ
Ɣ 7KHLQGLFDWLRQRIWKHDODUPFRGH³((´PHDQVVHULRXVDEQRUPDOLW\WREXUQRXWWKHFRPSUHVVRU
5HIHUWRWKH,QVWDOODWLRQDQG0DLQWHQDQFH0DQXDOIRUWKHLQGRRURXWGRRUXQLWFRQQHFWLRQV
Alarm (Troubleshooting) Code Table
Code
No.
Category
Nature of Problem
Likely Cause
01
Indoor Unit
Activation of a protection device
(Float switch)
$FWLYDWLRQRIWKHÀRDLJKZDWHUOHYHOSUHVHQWLQ
the drain pan.) A problem exists in the piping.
02
Outdoor Unit
$FWLYDWLRQRISURWHFWLRQGHYLFH
([FHSWIRU$ODUP&RGH
+LJK3UHVVXUH&XW5$SVL03DIDQ
motor lockup during the outdoor unit cooling operation.
03
Communication
Communication failure between
indoor and outdoor units
,QFRUUHFWZLULQJORRVHWHUPLQDOVGLVFRQQHFWHGZLULQJRUD
blown fuse.
04-09
3UREOHPZLWKWKHRXWGRRUXQLW5HIHUWRWKH,QVWDOODWLRQDQG0DLQWHQDQFH0DQXDOIRURXWGRRUXQLWV
11
Sensor on
Indoor Unit
Inlet Air Thermistor failure
/RRVHO\FRQQHFWHGGLVFRQQHFWHGRUDVHYHUHG
connection.
12
Outlet Air Thermistor failure
13
Freeze Protection Thermistor failure
14
Gas Piping Thermistor failure
19
Fan Motor
Problem with Indoor Fan
)DQPRWRUORFNXSIDQPRWRUSURWHFWLRQFRQWUROGHYLFHIRU
indoor unit activated.
20-29
3UREOHPZLWKWKHRXWGRRUXQLW5HIHUWRWKH,QVWDOODWLRQDQG0DLQWHQDQFH0DQXDOIRURXWGRRUXQLWV
31
System
Incorrect capacity setting for indoor
and outdoor units.
,QFRUUHFWFDSDFLW\FRGHVHWWLQJIRUFRPELQDWLRQH[FHVVLYH
RULQVXI¿FLHQWWRWDOLQGRRUXQLWFDSDFLW\FRGH
32
Incorrect setting of other indoor unit
number
Problem with a different Indoor Unit in the same refrigerant
F\FOH)DLOXUHDWWKHSRZHUVXSSO\GHIHFWLYH3&%
35
Incorrect setting of indoor
Indoor unit number duplicated in same refrigerant group.
36
Incorrect indoor unit combination
,QGRRUXQLWLVGHVLJQHGIRURWKHUUHIULJHUDQW5RU
R407C).
38-59
3UREOHPZLWKWKHRXWGRRUXQLW5HIHUWRWKH,QVWDOODWLRQDQG0DLQWHQDQFH0DQXDOIRUWKHRXWGRRUXQLW
b0
System
Incorrect setting for unit capacity
Incorrect setting for unit capacity
b1
Incorrect setting of unit and
refrigerant cycle number
Unit number or refrigerant cycle > 64
b5
Incorrect setting of indoor unit
number for H-LINK type
Interconnected indoor units are not supporting
H-LINK II > 17
EE
Compressor
Compressor protection alarm
This alarm code displays when the alarms such as
damage to the compressor occur three times within a six
hour period.
Refrigerant Leak Check
Conduct a periodic refrigerant leak check to maintain product performance and secure storage of refrigerant
)OXRURFDUERQV$IWHUFRPSOHWLQJLQVWDOODWLRQUHFRUGWKHIROORZLQJUHVXOWVLQWRWKLV,QVWDOODWLRQDQG0DLQWHQDQFH
0DQXDO
1. Results of a test for air-tight integrity
2. Total refrigerant charge volume dispensed (including a trim charge added following the installation)
3. Result of the refrigerant leak check
Then hand it over to users and ask them to retain for reference.
All periodic service and maintenance procedures must be conducted only by authorized and trained personnel.
All the installation work of the air conditioning is completed.
Handover this information to the building owner and request to maintain all the equipment manuals
and warranty.
Do NOT operate the air conditioning just to run checks on electrical wiring until preparations for the Test Run
phase is completed.
NOTICE
Summary of Contents for YVAHP072B31S
Page 2: ......
Page 10: ...viii Service Manual ...
Page 16: ......
Page 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Page 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Page 920: ......
Page 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Page 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Page 1728: ......
Page 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Page 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
Page 1795: ......
Page 1796: ... 2015 Johnson Controls Inc SM 15001 ...