OMEGA-VSHP.F-IOM-1907
www.omega-heatpump.com
16
Table 8: Microprocessor LED Code Guide
LED
Description
LED Code
Alarm Description
HP
High Pressure
Red = Solid
High pressure alarm. Hard Lock-Out. 3 Trips
Red = Blinking
High pressure alarm. Soft Lock-Out
LP
Low Pressure
Red = Solid
Low pressure alarm. Hard Lock-Out. 3 Trips
Red = Blinking
Low pressure alarm. Soft Lock-Out
WLDT Water Loop Dis-
charge Temp
Red = Solid
Water loop discharge temperature too hot. Non-latching alarm
Red = Blinking
Sensor open/missing or close/shorted. Latching alarm, replace sensor
CO
Condensate Over-
flow
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. Latching alarm, repair/replace part
WLST Water Loop Supply
Temp
Red = Solid
Water loop supply temperature too hot. Non-Latching fault
Red = Blinking
Sensor open/missing or close/shorted. Latching fault
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
Note: LED table applicable to version 5.4 software only.
