(1) Register of Alarm Code History
Cause of
Stoppage
(Alarm Code
or Stoppage
Code)
Contents
Indication of Alarm Code History
Time
*
Alarm
Alarm Code
Alarm Code
or Stoppage
Code
O.U.
Unit No.
Comp.
No.
Fan No.
02
Activation of protection device
Accumulated Time
AC.
○
○
--
03
Abnormality transmitting between indoor units and outdoor units
Accumulated Time
AC.
--
04
Abnormality transmitting between inverter PCB and outdoor PCB
Accumulated Time
AC.
○
○
--
04.
Abnormality transmitting between fan controller and outdoor PCB
Accumulated Time
AC.
○
○
--
05
Abnormality of power source phase
Accumulated Time
AC.
○
--
06
Abnormality of inverter voltage
Accumulated Time
AC.
○
○
iTC
d1-18
Accumulated Time
d1.
○
○
iTC
06.
Abnormality of fan controller voltage
Accumulated Time
AC.
○
○
FTC
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 outdoor units
Accumulated Time
AC.
--
0b
Incorrect outdoor unit address setting
Accumulated Time
AC.
--
0c
Incorrect outdoor main unit setting
Accumulated Time
AC.
--
21
Abnormality of high pressure sensor
Accumulated Time
AC.
○
--
22
Abnormality of thermistor for outdoor air temperature
Accumulated Time
AC.
○
--
23
Abnormality of thermistor for discharge gas temp. on top of
compressor
Accumulated Time
AC.
○
○
--
24
Abnormality of thermistor for outdoor unit heat exchanger
liquid pipe (Te/Tchg)
Accumulated Time
AC.
○
Thermistor Signal
Te: E
Tchg: C
--
25
Abnormality of thermistor for outdoor unit heat exchanger
gas pipe (Tg/TbG)
Accumulated Time
AC.
○
Thermistor Signal
TG: G
TbG: b
--
29
Abnormality of low pressure sensor
Accumulated Time
AC.
○
--
31
Incorrect capacity setting of indoor unit and outdoor 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 outdoor unit
Accumulated Time
AC.
○
--
39
Abnormality of running current at constant speed compressor
Accumulated Time
AC.
○
CT Detected
Value
d1-14
Accumulated Time
d1.
○
3A
Abnormality of outdoor unit capacity
Accumulated Time
AC.
--
3b
Incorrect setting of outdoor unit model combination or voltage
Accumulated Time
AC.
--
3d
Abnormality transmitting between main unit and sub unit(s)
Accumulated Time
AC.
--
*
(Details of Alarm)
AC.: Alarm
d1.: Retry
Ci.: Control Information
iTC: Inverter Stoppage Code
FTC: Fan Controller Stoppage Code
170
