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
The S3C case control and Valve Module have integrated visible LED indicators on the top surface of the enclosures. The
indicators are used to show condition of critical components, such as valves and fans. The 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
