Comfort-Aire VFH 24 CA - Manual (Page 23)

Heat Controller VFH InverterFlex ® - Ceiling Cassette
7URXEOHVKRRWLQJ

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 motor 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
21