American Dryer Corp MLG-460 manual Front Panel Blue Light and RED Light on

4.Front Panel “BLUE” Light and “RED” Light “ON”

MLG-460 “ON” button does respond ...

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 (2-door models only)

•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.

•HI-LIMIT CONTROLLERS (HLS1 and HLS2) - no display.

a.PROBABLE CAUSES;

1a) Fuse 7 -- PLC (Programmable Logic Controller) power Fuse 8 -- 24 volt DC power

Fuse 9 -- convenience outlet Fuse 10 - hi-limit controller power

2a) Malfunctioning PLC (Programmable Logic Controller).

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