Alpha Technologies FXM350_Micro350 UPS - Manual (Page 98)

017-241-B0 Rev B 96
9. Troubleshooting
When the front panel alarm LED is illuminated or flashing, the Alpha FXM has a malfunction:
• Red LED solidly illuminated indicates a fault in the Alpha FXM. (See Table P.)
• Red LED flashing indicates an alarm. ( See Table O.)
The web interface can also be used for troubleshooting.
9.1 Procedure
1. Press the SELECT button.
2. The LCD may display one or more of the conditions in Table O.
3. Press the SCROLL button to see if more than one malfunction is present.
4. To clear the malfunction from the screen, press and hold the SELECT button for 5 seconds.
Table O — Alarm Submenu
LCD Shows Problem Description What To Do
Over Load The Alpha FXM is overloaded. Remove excess loads.
Batt Temp High
The battery temperature is above the
specification limit.
If used, ensure that the battery fan is
working. Contact Alpha Technical Support to
purchase an upgrade if required.
Batt Temp Low
The battery temperature is below the
specification limit.
Use optional battery heating mats or heater.
Contact Alpha technical support to place the
order.
Batt Low Warning
The batteries are almost discharged.
Also see “Adjusting and Controlling the
Alpha FXM, #35: Low Battery Warning
Voltage”.
Check that the DC breaker is closed.
Ensure that the Alpha FXM charger is
working. If the charging voltage is low, the
battery may need to be replaced.
FAN Alarm The fan has failed.
Contact Alpha technical support. The fan is
not a replaceable part.
Temp Probe Unplug The temperature probe is unplugged.
Plug it back into the Alpha FXM or change
the probe.
User Input Alarm
When the user input is shorted. See “User
Input: S2”.
Check the user input parameters.
In Freq Out Of Range
The line frequency is outside of the
Alpha FXM allowable range. The Alpha FXM
goes into Inverter mode.
Info only.
Weak Battery
The battery is being monitored continuously
in the background in Line mode. This alarm
is issued if the battery did not pass the
background scan.
Check the battery life and replace the
battery if necessary.
Battery Test The Alpha FXM is performing a battery test. Info only.
Invalid Software
The FXM software is invalid (either version or
part number.
Contact Alpha technical support.
Keep Alive Failure
The Alpha FXM failed to restore
communication by resetting power using
keep alive feature.
Turning off keep the alive feature will clear
the alarm.