5284792-UIM-A-0317
Johnson Controls Unitary Products
15
TABLE 8:
Inverter Drive Fault/Status Code Display
Inverter Drive Description
LED
1
OD Display Text
Left Triangle
Indication
(Outdoor Screen)
Right Triangle
Indication
(Outdoor Screen)
Inverter - Faults
Compressor Phase Over Current
RED
(solid)
COMPRESSOR PHASE OVER CURRENT –
INVERTER DRIVE
-
-
Compressor Phase Current Foldback Timeout
Yellow
(solid)
COMPRESSOR PHASE CURRENT FOLDBACK
– INVERTER DRIVE
-
-
AC Input Over Current
RED
(solid)
AC INPUT OVER CURRENT– INVERTER DRIVE
-
-
DC Bus Over Voltage
RED
(solid)
DC BUS OVER VOLTAGE – INVERTER DRIVE
-
-
DC Bus Under Voltage
RED
(solid)
DC BUS UNDER VOLTAGE – INVERTER DRIVE
-
-
AC Input Over Voltage
Yellow
(solid)
AC INPUT OVER VOLTAGE – INVERTER DRIVE
-
-
AC Input Under Voltage
Yellow
(solid)
AC INPUT UNDER VOLTAGE –
INVERTER DRIVE
-
-
Power Module Over Temp
RED
(solid)
POWER MODULE OVER TEMP –
INVERTER DRIVE
-
-
PFC-IGBT Over Temp
RED
(solid)
PFC-IGBT OVER TEMP – INVERTER DRIVE
-
-
Lost Rotor Position
RED
(solid)
LOST ROTOR POSITION – INVERTER DRIVE
-
-
Compressor Phase Current Imbalance
RED
(solid)
COMPRESSOR PHASE CURRENT
IMBALANCE – INVERTER DRIVE
-
-
Microelectronic Fault
RED
(solid)
MICROELECTRONIC FAULT –
INVERTER DRIVE
-
-
Power Module Temp Low or Sensor Open Fault
RED
(solid)
POWER MODULE TEMP LOW / SENSOR
OPEN – INVERTER DRIVE
-
-
AC Input Current Foldback Timeout
Yellow
(solid)
AC INPUT CURRENT FOLDBACK –
INVERTER DRIVE
-
-
Power Module Temp High
Yellow
(solid)
POWER MODULE HIGH TEMP –
INVERTER DRIVE
-
-
PFC-IGBT High Temp
Yellow
(solid)
PFC-IGBT HIGH TEMP – INVERTER DRIVE
-
-
PFC MCU and DSP Communication Lost
Yellow
(solid)
PFC MCU / DSP COMM ERROR – INVERTER
DRIVE
-
-
COM MCU and DSP Communication Lost
Yellow
(solid)
COM MCU / DSP COMM ERROR – INVERTER
DRIVE
-
-
PFC-IGBT Temp Low or Sensor Open Fault
RED
(solid)
PFC-IGBT LOW TEMP / SENSOR OPEN –
INVERTER DRIVE
-
-
Power Module Temp. Foldback Timeout
Yellow
(solid)
POWER MODULE TEMP FOLDBACK –
INVERTER DRIVE
-
-
Compressor Model Configuration Error
RED
(solid)
COMPRESSOR MODEL CONFIGURATION
ERROR – INVERTER DRIVE
-
-
High Pressure Sensor Type Configuration Error
RED
(solid)
HPS CONFIGURATION ERROR –
INVERTER DRIVE
-
-
DLT Sensor Configuration Error
RED
(solid)
DLT CONFIGURATION ERROR –
INVERTER DRIVE
-
-
Fault Limit Lockout
RED
(solid)
FAULT LIMIT LOCKOUT – INVERTER DRIVE
-
-
1. Refer to Figures 12-14 for LED inverter drive locations.