Install Instructions

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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