Indicators; Fault Messages; Table B-7. Led Descriptions; Table B-8. Fault Messages - Advanced Energy MDX II User Manual

®
Advanced Energy

Indicators

The following indicators appear on the front panel of your unit.

Table B-7. LED Descriptions

LED
Input Power
Arc
Setpoint
Overtemp
Output Power
Interlock
Bus High
Left
Right
Bus Low
Left
Right
Note: Each inverter has a bus bar. There is one bus bar in a 15 kW and two bus bars in a 30
kW. Only the RIGHT bus (bus 1) LEDs lights if you have a 15 kW unit.

Fault Messages

Fault messages for both master and slave units are displayed on master units only. Most of
them can be cleared by pressing the STANDBY switch on the master unit.

Table B-8. Fault Messages

Message
SL1 FAULT
SL2 FAULT
B-8
Description
Lights if input power is on.
Lights for 0.1 s if an arc occurs.
Lights if the MDXII unit is not operating within setpoint.
Lights if the MDXII unit has exceeded the maximum
operating temperature.
Lights if output power is on.
Lights if one or more interlock conditions have not been
met.
Lights when a bus 2 high fault occurs.
Lights when a bus 1 high fault occurs.
Lights when a bus 2 low fault occurs.
Lights when a bus 1 low fault occurs.
Explanation/Response
Slave unit 1 is reporting a fault (bus high, bus low, over-
temperature, or loss of cable). Press the STANDBY switch
to clear the message.
Slave unit 2 is reporting a fault (bus high, bus low, over-
temperature, or loss of cable). Press the STANDBY switch
to clear the message.
5700262-R