Alpha Technologies CXPS 48-1.8-M2, 48V Pos Gnd - Manual (Page 37)

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6.4 CXCM2 Reset
CAUTION
Before removing a CXCM2 from a live system, or performing controller maintenance, an external
LVD inhibit (or override) is required to avoid a disruption of service. See Section 6.5.
6.4.1 Soft Reset
The reset button, located on the front panel of the optional CXCM2, is for restarting the microprocessor. When
pressed momentarily, the unit beeps twice then resets. The front-panel LED’s will illuminate temporarily, but will
extinguish after the system has finished its 15-second self-test.
6.5 LVD Control
CAUTION
Before removing a CXCM2 from a live system, or performing controller maintenance, an external
LVD inhibit (or override) is required to avoid a disruption of service.
The LVD Control functions are hardwired directly from the assigned relay output to an optional front panel LVD
override control.
Place the LVD Control switch to the INHIBIT position to keep the LVD contactor engaged. The controller will
signal an LVD Inhibit alarm.
CAUTION
Do not leave the switch in the INHIBIT position. Doing so may result in a complete discharge of
the batteries during a power failure situation.
To allow the CXCM2 to resume automatic control of the LVD contactor, check that the AUTO IN (green) LED is
lit confirming that the CXCM2 will keep the LVD contactor engaged and the controller alarm has cleared.
Then you may return the LVD Control switch to the AUTO IN position.
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