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

VFH InverterFlex ® - Ceiling Cassette Heat Controller
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Low Voltage Protection PL / /
Flash 21
times
PL PL Drive Error
Temp Drift Protection PE Flash 3 times Flash 3 times Flash 3 times PE PE Drive Error
Drive Board Ambient
Temp Sensor Error
PF Flash 3 times Flash 3 times Flash 3 times PF PF Drive Error
AC Current Protection PA Flash 5 times / / E5 E5 Drive Error
Charging Circuit Error PU / /
Flash 17
times
PU PU Drive Error
AC Input Voltage
Anomaly
PP Flash 3 times Flash 3 times Flash 3 times PP PP Drive Error
Unit n communication
error
See
Table 16 Flash 6 times
/ / E6 E6 Indoor
Unit n indoor pipe
midway temperature
sensor error
See
Table 16
/ Flash twice / E2 E2 Indoor
Indoor Evaporator
Temp Sensor Short/
Open-Circuit
See
Table 16
/ Flash twice / F2 F2 Indoor
(Air Valve) Unit
n indoor unit pipe
outlet temperature
sensor error
See
Table 16
/
Flash 22
times
/ b7 b7 Indoor
(Liquid Valve)
Unit n indoor pipe
inlet temperature
sensor error
See
Table 16
/
Flash 19
times
/ b5 b5 Indoor
See
Table 16
/ Flash once / F1 F1 Indoor
See
Table 16
Flash 7 times / / E7 E7 Indoor
( )
Error Item
Outdoor
Unit 88
Display
Indicating LED Flashing Times
88 Display
Wired
Controler
Display
Error Type
Running
LED
Cooling
LED
Heating
LED
High Pressure
Protection
E1 Flash once / / E1 E1 Outdoor
Shutdown for
Whole Unit Anti-
Freeze Protection
E2 Flash twice / / E2 E2 System Error
Low Pressure
Protection
E3 Flash 3 times / / E3 E3 Outdoor
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 Flash once Flash once / Fo Fo Special Mode
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