OMEGA-VSHP.G-IOM-2103
16
Table 8: Microprocessor LED Code Guide
LED table applicable to version 5.4.1 software
LP Alarm LED
HP Alarm LED
COS Alarm LED
LP SoftLock = 0, Off
HP SoftLock = 0, Off
COS SoftLock = 0, Off
LP SoftLock = 1 , Blink 1 every 1 Sec
HP SoftLock = 1 , Blink 1 every 1 Sec
COS SoftLock = 1 , Blink 2 every 1 Sec
LP SoftLock = 2 , Blink 2 every 1 Sec
HP SoftLock = 2 , Blink 2 every 1 Sec
COS SoftLock = 2 , Solid = HARD LOCK
LP SoftLock = 3 , Solid = HARD LOCK
HP SoftLock = 3 , Solid = HARD LOCK
LED
Description
LED Code
Alarm Description
Red = Solid
High pressure alarm. Hard Lock-Out. 3 Trips
Red = Blinking
High pressure alarm. Soft Lock-Out
Red = Solid
Low pressure alarm. Hard Lock-Out. 3 Trips
Red = Blinking
Low pressure alarm. Soft Lock-Out
Red = Solid
Water loop discharge temperature too hot. Non-latching alarm
Red = Blinking
Sensor open/missing or close/shorted. Non-latching alarm, replace sensor
Red = Solid
Condensate overflow alarm. Hard Lock-Out. 2 Trips
Red = Blinking
Condensate overflow alarm. Soft Lock-Out
RST
Refrigerant
Suction Temp
Red = Blinking
Sensor open/missing or close/shorted. Non-latching alarm. Replace sensor
Red = Solid
Water loop supply temperature too hot. Non-Latching fault
Red = Blinking
Sensor open/missing or close/shorted. Non-latching alarm, replace sensor
STA
PCB Status
Green = Blinking
PCB is operational
CLG
Cooling
Green = Solid
Cooling call from thermostat input
HTG
Heating
Green = Solid
Heating call from thermostat input
WLST
Water Loop
Supply Temp
LP
High Pressure
HP
Condensate
Overflow
CO
Low Pressure
WLDT
Water Loop
Discharge Temp
