7URXEOHVKRRWLQJ
3
1
High Discharge
Temp Protection
E4
Flash 4 times
/
/
E4
E4
Outdoor
Communication Error
E6
Flash 6 times
/
/
E6
E6
Outdoor &
Indoor
Indoor Unit Water
Full Error
E9
Flash 9 times
/
/
E9
E9
Indoor
Refrigerant
Recovery Mode
Fo
Quick
Flashing
Quick
Flashing
/
Fo
Fo
Special Mode
Outdoor Ambient
Temp Sensor Error
F3
/
Flash 3 times
/
F3
F3
Outdoor
Outdoor Mid-Coil
Temp Sensor Error
F4
/
Flash 4 times
/
F4
F4
Outdoor
Outdoor Discharge Air
Temp Sensor Error
F5
/
Flash 5 times
/
F5
F5
Outdoor
Oil Return for Cooling
F7
/
/
/
/
/
Special Mode
Forced Defrosting
H1
Quick
Flashing
/
/
H1
H1
Special Mode
Oil Return for Heating
or Defrosting
H1
/
/
Flash once
H1
Special Mode
Compressor Overheat
Protection
H3
/
/
Flash 3 times
H3
H3
Drive Error
IPM Protection
H5
/
/
Flash 5 times
H5
H5
Drive Error
Motor Desynchronizing
H7
/
/
Flash 7 times
H7
H7
Drive Error
PFC Error
Hc
/
/
Flash 6 times
Hc
Hc
Drive Error
Startup Failure
Lc
/
/
Flash 11 times
Lc
Lc
Drive Error
DC Fan
M
otor Error
LA
/
/
/
/
/
Outdoor
Phase Loss
Ld
Flash 3 times Flash 3 times Flash 3 times
Ld
Ld
Drive Error
Compressor Stalling
LE
Flash 3 times Flash 3 times Flash 3 times
LE
LE
Drive Error
Over-Speed
LF
Flash 3 times Flash 3 times Flash 3 times
LF
LF
Drive Error
IPM Reset
P0
Flash 3 times Flash 3 times Flash 3 times
P0
P0
Drive Error
Compressor Current
Protection
P5
/
/
Flash 15
times
P5
P5
Drive Error
Communication
Error between the
Inverter Drive and
the Main Controller
P6
Flash 16
times
/
/
P6
P6
Drive Error
Radiator Temp
Sensor Error
P7
/
/
Flash 18
times
P7
P7
Drive Error
Radiator Overheat
Protection
P8
/
/
Flash 19
times
P8
P8
Drive Error
AC Contactor Protection
P9
Flash 3 times Flash 3 times Flash 3 times
P9
P9
Drive Error
Current Sensor Error
Pc
/
/
Flash 12
times
U1
Drive Error
Sensor Connection
Protection
Pd
Flash 3 times Flash 3 times Flash 3 times
Pd
Pd
Drive Error
Over Voltage Protection
PH
/
Flash 11 times
/
PH
PH
Drive Error
Summary of Contents for DHM18CMB21S
Page 52: ...44 ...