Johnson Controls Hx 3 S1-THXU430W Installation Manual page 56

5407934-UIM-C-1119
TABLE 20: Variable Capacity Control (Continued)
Fault (Displayed Text)
OUTDOOR: SUCTION TEMP SEN-
SOR SHORTED-SOFT LOCKOUT
OUTDOOR: SUCTION TEMP SEN-
SOR OPEN
OUTDOOR: SUCTION TEMP SEN-
SOR OPEN-SOFT LOCKOUT
OUTDOOR: DISCHARGE PRES-
SURE SENSOR LOW VOLTAGE
OUTDOOR: DISCHARGE PRES-
SURE SENSOR LOW VOLTAGE-
SOFT LOCKOUT
OUTDOOR: DISCHARGE PRES-
SURE SENSOR HIGH VOLTAGE
OUTDOOR: DISCHARGE PRES-
SURE SENSOR HIGH VOLTAGE-
SOFT LOCKOUT
OUTDOOR: SUCTION PRESSURE
SENSOR LOW VOLTAGE-SOFT
LOCKOUT
OUTDOOR: SUCTION PRESSURE
SENSOR HIGH VOLTAGE-SOFT
LOCKOUT
OUTDOOR: W & O INPUTS-HP
MODE – SOFT LOCKOUT
OUTDOOR: HIGH DISCHARGE
TEMP - SOFT LOCKOUT
OUTDOOR: HIGH DISCHARGE
TEMP - HARD LOCKOUT
OUTDOOR: LOW SUCTION
PRESSURE
OUTDOOR: LOW SUCTION
PRESSURE - SOFT LOCKOUT
OUTDOOR: LOW SUCTION
PRESSURE - HARD LOCKOUT
OUTDOOR: MULTIPLE INVERTER
FAULTS-SOFT LOCKOUT
56
Description
Suction temperature sensor
failure (shorted)
Suction temperature sensor
failure (open)
Suction temperature sensor
failure (open)
Discharge pressure sensor
failure (low voltage)
Discharge pressure sensor
failure (low voltage)
Discharge pressure sensor
failure (high voltage)
Discharge pressure sensor
failure (high voltage)
Suction pressure sensor fail-
ure (low voltage)
Suction pressure sensor fail-
ure (high voltage)
W and O signal received in
HP mode
High discharge temperature
High discharge temperature
Low suction pressure
Low suction pressure
Low suction pressure
Multiple inverter faults
Johnson Controls Ducted Systems
Category
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical
Critical