Johnson Controls Hx 3 S1-THXU430W Installation Manual page 58

5407934-UIM-C-1119
TABLE 21: Variable Capacity Inverter Control (Continued)
Fault (Displayed Text) Description
INVERTER: DC BUS
UNDER VOLTAGE
INVERTER: AC INPUT
OVER VOLTAGE
INVERTER: AC INPUT
UNDER VOLTAGE
INVERTER: POWER MOD-
ULE OVER TEMP
INVERTER: PFC-IGBT
OVER TEMP
INVERTER: LOST ROTOR
POSITION
INVERTER: COMPRES-
SOR PHASE CURRENT
IMBALANCE
INVERTER: MICROELEC-
TRONIC FAULT
INVERTER: POWER MOD-
ULE TEMP LOW/SENSOR
OPEN
INVERTER: COMM
ERROR
INVERTER: PFC MCU &
DSP COMM ERROR
INVERTER: COM MCU &
DSP COMM ERROR
INVERTER: PFC-IGBT
LOW TEMP/SENSOR
OPEN
INVERTER: COMPRES-
SOR MODEL CONFIG
ERROR
INVERTER: HPS CONFIG
ERROR
INVERTER: DLT CONFIG
ERROR
58
DC bus under voltage
AC input over voltage
AC input under voltage
Power module over temperature
PFC-IGBT over temperature
Lost rotor position
Compressor phase current imbalance
Microelectronic fault
Power module temperature low or sen-
sor open fault
Modbus communication lost
PFC MCU and DSP communication
lost
COM MCU and DSP communication
lost
PFC-IGBT temperature low or sensor
open fault
Compressor model configuration error Critical
High pressure sensor type configura-
tion error
DLT sensor configuration error
Johnson Controls Ducted Systems
Category
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical