Johnson Controls HVWHP072B32S - Troubleshooting

3-28
SM-18006
TROUBLESHOOTING
Cause of
Stoppage
(Alarm Code
or Stoppage
Code)
Contents
Details of Alarm Code History
Time
T
Alarm
Alarm Code
Abnormal
Data
W.S.
Unit No.
Comp. No.
Inverter PCB No.
02 Activation of protection device
Accumulated
Time
AC.
○ ○
--
03
Abnormality transmitting between indoor units and
water source units
Accumulated
Time
AC. --
04
Abnormality transmitting between inverter PCB and
water source unit PCB
Accumulated
Time
AC.
○ ○
--
05 Abnormality of power supply phase
Accumulated
Time
AC.
○
--
06
Abnormality of inverter voltage
Accumulated
Time
AC.
○ ○
iTC
d1-18
Accumulated
Time
d1.
○ ○
iTC
07
Decrease in discharge gas superheat
Accumulated
Time
AC.
○
--
d1-16
Accumulated
Time
d1.
○
--
08
Increase in discharge gas temperature at the top of
compressor
Accumulated
Time
AC.
○
--
d1-15
Accumulated
Time
d1.
○
--
0A Abnormality transmitting between water source units
Accumulated
Time
AC. --
0b Incorrect water source unit address setting
Accumulated
Time
AC. --
0c Incorrect water source main unit setting
Accumulated
Time
AC. --
21 Abnormality of high pressure sensor
Accumulated
Time
AC.
○
--
22
Abnormality of thermistor for entering water
temperature
Accumulated
Time
AC.
○
--
23
Abnormality of thermistor for discharge gas temp. on
top of compressor
Accumulated
Time
AC.
○ ○
--
24
Abnormality of thermistor for water source unit heat
exchanger liquid pipe (Te/Tchg/Tsc)
Accumulated
Time
AC.
○
Thermistor Signal
Te1: 1, Te2: 2
Tchg: C, Tsc: S
--
25
Abnormality of thermistor for water source unit heat
exchanger gas pipe (Tg)
Accumulated
Time
AC.
○
--
29 Abnormality of low pressure sensor
Accumulated
Time
AC.
○
--
30 Incorrect connection of change-over box
Accumulated
Time
AC. --
31
Incorrect capacity setting of indoor unit and water
source unit
Accumulated
Time
AC. --
35 Incorrect indoor unit No. setting
Accumulated
Time
AC. --
36 Incorrect indoor unit combination
Accumulated
Time
AC. --
38
Abnormality of picking up circuit for protection in water
source unit
Accumulated
Time
AC.
○
--
3A Abnormality of water source unit capacity
Accumulated
Time
AC. --
3b
Incorrect setting of water source unit model
combination or voltage
Accumulated
Time
AC. --
3d
Abnormality transmitting between main unit and sub
unit(s)
Accumulated
Time
AC. --
3E
Abnormal Combination between Inverter PCB and
water source unit PCB
Accumulated
Time
AC.
○
--
43
Abnormality of low compression ratio
Accumulated
Time
○
--
d1-11
Accumulated
Time
d1.
○
--
T
(Details of Alarm)
AC.: Alarm
d1.: Retry
Ci.: Control Information
iTC: Inverter Stoppage Code
(1) Register of Alarm Code History