3-38
Service Manual
TROUBLESHOOTING
Cause of
Stoppage
(Alarm Code
or Stoppage
Code)
Contents
Indication of Alarm Code History
7LPH
7
Alarm
Alarm Code
Abnormal
Data
O.U.
Unit No.
Comp.
No.
)DQ1R
02
Activation of protection device
$FFXPXODWHG7LPH
AC.
ż
ż
--
03
Abnormality transmitting between indoor units and outdoor units
$FFXPXODWHG7LPH
AC.
--
04
Abnormality transmitting between inverter PCB and
outdoor unit PCB
$FFXPXODWHG7LPH
AC.
ż
ż
--
04.
Abnormality transmitting between fan controller and
outdoor unit PCB
$FFXPXODWHG7LPH
AC.
ż
ż
--
05
Abnormality of power source phase
$FFXPXODWHG7LPH
AC.
ż
--
06
Abnormality of inverter voltage
$FFXPXODWHG7LPH
AC.
ż
ż
L7&
d1-18
$FFXPXODWHG7LPH
d1.
ż
ż
L7&
06.
Abnormality of fan controller voltage
$FFXPXODWHG7LPH
AC.
ż
ż
)7&
07
Decrease in discharge gas superheat
$FFXPXODWHG7LPH
AC.
ż
ż
--
d1-16
$FFXPXODWHG7LPH
d1.
ż
ż
--
08
Increase in discharge gas temperature at the top of compressor
$FFXPXODWHG7LPH
AC.
ż
ż
--
d1-15
$FFXPXODWHG7LPH
d1.
ż
ż
--
0A
Abnormality transmitting between outdoor units
$FFXPXODWHG7LPH
AC.
--
0b
Incorrect outdoor unit address setting
$FFXPXODWHG7LPH
AC.
--
0c
Incorrect outdoor main unit setting
$FFXPXODWHG7LPH
AC.
--
21
Abnormality of high pressure sensor
$FFXPXODWHG7LPH
AC.
ż
--
22
Abnormality of thermistor for outdoor air temperature
$FFXPXODWHG7LPH
AC.
ż
--
23
Abnormality of thermistor for discharge gas temp. on top of
compressor
$FFXPXODWHG7LPH
AC.
ż
ż
--
24
Abnormality of thermistor for outdoor unit heat exchanger
OLTXLGSLSH7H7FKJ
$FFXPXODWHG7LPH
AC.
ż
7KHUPLVWRU6LJQDO
7H
(
7FKJ &
--
25
Abnormality of thermistor for outdoor unit heat exchanger
JDVSLSH7J7E*
$FFXPXODWHG7LPH
AC.
ż
7KHUPLVWRU6LJQDO
7* *
7E* E
--
29
Abnormality of low pressure sensor
$FFXPXODWHG7LPH
AC.
ż
--
31
Incorrect capacity setting of indoor unit and outdoor unit
$FFXPXODWHG7LPH
AC.
--
35
Incorrect indoor unit No. setting
$FFXPXODWHG7LPH
AC.
--
36
Incorrect indoor unit combination
$FFXPXODWHG7LPH
AC.
--
38
Abnormality of picking up circuit for protection in outdoor unit
$FFXPXODWHG7LPH
AC.
ż
--
39
Abnormality of running current at constant speed compressor
$FFXPXODWHG7LPH
AC.
ż
&7'HWHFWHG
Value
d1-14
$FFXPXODWHG7LPH
d1.
ż
3A
Abnormality of outdoor unit capacity
$FFXPXODWHG7LPH
AC.
--
3b
Incorrect setting of outdoor unit model combination or voltage
$FFXPXODWHG7LPH
AC.
--
3d
Abnormality transmitting between main unit and sub unit(s)
$FFXPXODWHG7LPH
AC.
--
(
Abnormal Combination between Inverter PCB
$FFXPXODWHG7LPH
AC.
ż
--
7
(Details of Alarm)
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L7&
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(1) Register of Alarm Code History
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 ...