SECTION III
Operation
Page 3.19
BP+2.9X
11/95
Table 3.2 (continued)
Screen Message Description Corrective Action
maint by fIt Maintenance bypass fault Maintenance bypass breaker is closed
with inverter operating. Follow Startup
procedure to open bypass breaker.
dc hi shtdn’ Rectifier shutdown due to dc
output overvoltage
Verify that rectifier automatically
restarts
mv mnl strt* Inverter manual start No action required
mv mnl stop* Inverter manual stop No action required
mv mnl xfer* Inverter manual transfer No action required
inverter on* Inverter on No action required
inverter off Inverter off Follow Startup procedure to restart
UPS.
mv fan fail Inverter fan failure Verify all cooling fans are operating.
mv fan norm* Inverter fan normal No action required
dc low shtdn UPS shutdown - DC (battery)
voltage low
Batteries are discharged.
mv phrt nml* Inverter phase rotation normal No action required
out volt hi Output voltage high Verify UPS output voltage. Decrease if
necessary.
out volt low Output voltage low Verify UPS output voltage. Increase if
necessary.
out volt nml* Output voltage normal No action required
out frq high Output frequency high Verify UPS output frequency.
out frq low Output frequency low Verify UPS output frequency.
out frq normal* Output frequency normal No action required
* Not an alarm condition.
To Next Page
Loading...