Xvi. diagnostics – Elkhart Brass Unibody Valve User Manual
Page 66
66
ELKHART BRASS MANUFACTURING COMPANY, INC
XVI. DIAGNOSTICS
When a warning condition exists, 2 center LEDs blinking or all position LEDs blinking.
With the 2 Center LEDs Blinking:
– There is no sensor feedback of the valve movement.
– The valve is operated in override with no software safety limits except stalled current.
– Stalled current level (greater than 18 AMPS) the valve will operate for three seconds then stop, pressing
the button again will operate the valve for another three seconds. The valve can be pulsed in this manner
to change position.
With All Position LEDs Blinking:
There is a higher than normal current being detected.
Closed LED and Fully Open LED Blinking
The open and closed positions for the valve have not been calibrated. Refer to Calibrations section on Page
63
.
WARNINGS DURING OPERATION:
Set the program in the diagnostic mode to access the problem code.
Diagnostic Mode (Code 1110)
Refer to Table 5, Diagnostics Codes.
1. Enter code 1110. Refer to Programming section on how to enter a code on Pages 53-62.
2. Press the OPEN and CLOSE buttons to change the valve position.
Results: When the warning condition is recreated the LEDs blink
3. Press PRESET (CAF SELECT for UICS2) button to show code.
Results: Diagnostic Code will show on blinking LEDs.
Blinking between one green LED and three green LEDs indicated code 13.
2 Center LEDs Blink
All Position Indicating LEDs Blink
(Shows valve at 60% open.)