D.C. Inverter Multi-variable Modular
55
Content
symbol
Distinguish
symbol
Indoor
Outdoor
Debugging
Status
Alarm because the
air quality is bad
Models for indoor unit
and outdoor unit isn’t
matching
PCB of wired contro
-ller is abnormal
Malfuncti on of
air-outlet temperat ure
sensor
Mal function of indoor
sensor
Drop protection of dis
-charge temperature
sensor of compressor 5
Drop protection of dis
-charge temperature
sensor of compressor 4
Drop protection of dis
-charge temperature
sensor of compressor 3
Drop protection of dis
-charge temperature
sensor of compressor 2
Drop protection of dis
-charge temperature
sensor of compressor 1
Current sensor of com
-pressor 6 is abnormal
Current sensor of com
-pressor 5 is abnormal
Current sensor of com
-pressor 4 is abnormal
Current sensor of com
-pressor 3 is abnormal
Current sensor of com
-pressor 2 is abnormal
Current sensor of com
-pressor 1 is abnormal
Water-flow switch
protection
High-pressure
protection
Clock of system
is abnormal
Dro p protect ion of dis
-char ge temper ature
sens or of compr ess or 1
Dro p protect ion of dis
-cha rge temper ature
sens or of compr ess or 2
High-voltage protection
of compressor’s drive
DC bus bar
High-voltage protection
of fan’s drive DC bus bar
Drive current detection
circuit malfunction of
compressor
Drive current detection
circuit malfunction of fan
Low-voltage protection
of compressor’s drive
DC bus bar
Low-voltage protection
of fan’s drive DC bus
bar
Phase-lacking of
inverter compressor
Phase-lacking of
inverter fan
Drive charging circuit
malfunction of
compressor
Failure startup of
inverter compressor
Failure startup of
inverter fan
Setting of main indoor
unit is successful
Rated capacity
is too high
Heating
Cooling
Heating only unit
Cooling only unit
No malfunction of
main control unit
Rated capacity
is too low
Charging of refrige
-rant is invalid
Charging refrige
-rant manually
Negative sign code
Malfunction of multi
main control unit
Fan
Fan model
Button-dial of system
address shocks
Alarm for
cleaning filter
Abnormal capacity
address setting
Abnormal compressor
emergence setting
Content
symbol
Distinguish
symbol
Indoor
Outdoor
Debugging
Status
Project debugging code
High-temperature
protection of shell
of compressor2
Malfunction of shell
temperature sensor
of compressor 2
High-temperature
protection of shell
of compressor 1
Malfunction of shell
temperature sensor
of compressor 1
Drop protection of dis
-charge temperature
sensor of compressor 6
AC current protect ion
of invert er compress or
AC current protection
of inverter fan
Malfunction of multi main
wired controller (display
of wired controller)
Debugging confir
-mation for startup
of unit
Communication malfun
-ction between indoor
unit and receiving lamp
plate
Long-distance stop
operation suddenly
Overflowing distri
-bution of IP address
Stop operation
suddenly
Limit operation
