4.Front Panel “BLUE” Light and “RED” Light “ON”
ADS-464 “ON” button does respond ...
a.PROBABLE CAUSES;
1a) EMERGENCY STOP
b.POSSIBLE SOLUTIONS;
1b) Verify that ALL EMERGENCY STOP
•EMERGENCY STOP 1 - main enclosed door
•EMERGENCY STOP 2 - pendent control
•EMERGENCY STOP 3 - rear control panel
•If ALL EMERGENCY STOP
•If “NO,” go to section 3 on page 47
Does the system “GREEN” “ON” light illuminate?
•If not, check the EMERGENCY STOP
5.Front Panel “BLUE” (main panel) light, “RED” (sprinkler power) light, and “GREEN” (control power) light “ON”
The system has one or more of the following symptoms;
• OPERATOR INTERFACE TERMINAL - no display or displays “LINE FAULT” message
• PROGRAMMABLE LOGIC CONTROLLER (PLC) - no indicator lights “ON”
• CONVENIENCE OUTLET - no power
•
a.PROBABLE CAUSES;
1a) Fuse 7
Fuse 9
2a) Malfunctioning PLC (Programmable Logic Controller).
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