GE Industrial Solutions MX350 Instruction manual - Manual (Page 35)

CHAPTER 3: INTERFACING WITH THE MX350 AT CONTROLLER GRAPHICAL CONTROL PANEL
MX350 AUTOMATIC TRANSFER CONTROL SYSTEM – INSTRUCTION MANUAL 3–5
Pressing an invalid key displays a message explaining the problem and recommending a
solution. Where the keypress is invalid because a security passcode is required, the dialog
window will be a passcode entry window.
Control keys The MX350 has four large direct control keys: ALARM RESET, TEST, CONTROL, and INFO.
•
ALARM RESET: allows the user to silence any audible alarm.
• TEST: takes the user directly to the System Test Screen.
• CONTROL: takes the user directly to the Control Screen that allows the user to select
certain modes of operation.
• INFO: takes the user directly to the Event Report screen.
LED indicators The control panel LEDs summarize the status of the transfer switch:.
•
ALARM: indicates that there is a problem with the ATS, or that a user configurable
alarm condition is active, or that the ATS is not in AUTO mode.
• TD ACTIVE: indicates that the controller is timing before taking the next control action.
• XFER INHIBIT: indicates that the controller will not automatically transfer to the other
source and that operator intervention is required.
• S1 (Source-1, typically utility power) Available LED: indicates that S1 is present and
within user defined limits.
• S2 (Source-2, typically generator power) Available LED: indicates that S2 is present and
within user defined limits.
• S1 (Utility) Status LED: indicates that the load is connected to S1 power.
• S2 (Generator) Status LED: indicates that the load is connected to S2 power.