4.Front Panel “BLUE” Light and “RED” Light “ON”
a.PROBABLE CAUSES;
1a) EMERGENCY STOP BUTTONS 1, 2, and 3.
b.POSSIBLE SOLUTIONS;
1b) Verify that ALL EMERGENCY STOP buttons are pushed in.
•EMERGENCY STOP 1 - main enclosed door
•EMERGENCY STOP 2 - pendent control
•EMERGENCY STOP 3 - rear control panel
•If ALL EMERGENCY STOP buttons are “disengaged,” press “ON” located on the main enclosure door.
•If no, go to section 3 on page 54.
Does the system “GREEN” “ON” light illuminate?
•If not, check the EMERGENCY STOP and drying system “ON/OFF” circuits. (Refer to ladder diagram.)
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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