Bulletin 100-50-9.1 – Page 129
19.15.1 LED CASE CONTROL
Solid Green = Control Powered
Solid Red = Controller in Alarm
Solid Green = System in Refrigeration Mode
Solid Amber = Defrost Relay Energized
Solid Green = Fan Relay Energized
Solid Amber = Light Relay Energized
Solid Green = Solenoid/Pulse Valve Relay Energized
Solid Green = Stepper Valve 100% Open
No LED = Stepper Valve Closed
Blinking = 1 Blink For Every 10% Open
Blinking Yellow/Green = DM/Valve Module Communication Active
Blinking Yellow/Green = Building Automation Communication Active
To Exit Test Mode:
1. Use the ▼ button and scroll to e; press SET.
2. Use the ▼ button and scroll to off; press SET.
The system will resume operation.
3. Press the ESC button 2 times to revert to the default display.
19.15 LED SERVICE INDICATORS
e S3C case control and Valve Module have integrated visible LED indicators on the top surface of the enclosures. e
indicators are used to show condition of critical components, such as valves and fans. e following charts show the
location and function of each LED.
19.15.2 LED VALVE MODULE
Solid Green = Valve Module Powered
Solid Green = Solenoid/Pulse Valve Relay Energized
Solid Green = Stepper Valve 100% Open
No LED = Stepper Valve Closed
Blinking = 1 Blink For Every 10% Open
Blinking Yellow/Green = Case Controller to DM/Valve Module
Communication Active
Same as Valve 1
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