Johnson Controls Hx 3 S1-THXU430W - Page 58

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