SECTION III
Operation
Page 3.17
BP+2.9X
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Table 3.2 (continued)
Screen Message
Description
Corrective Action
dc volt norm*
DC (battery) voltage normal
No action required
rct fus norm*
Rectifier fuses normal
No action required
rct bin fusA
Rectifier fuse A blown
Test/replace rectifier fuses on Al power
assembly.
rct bIn fusB
Rectifier fuse B blown
Test/replace rectifier fuses on A2 power
assembly.
rd bin fusC
Rectifier fuse C blown
Test/replace rectifier fuses on A3 power
assembly.
rct pwr fail
Rectifier power supply failure
Test/replace rectifier drive board on Al,
A2 and A3 power assemblies.
rct pwr norm*
Rectifier power normal
No action required
rct lock*
Rectifier phase locked
No action required
rct not lock
Rectifier not phase locked
Verify UPS input voltage and frequency.
rct cur limt
Rectifier current limit
Reduce load on UPS output.
rct cur aval*
Rectifier current not available
No action required
rct on gen*
Rectifier on generator
No action required
rct in rechg*
Rectifier in recharge mode
(battery being recharged)
No action required
rct in float*
Rectifier in float (battery is
recharged)
No action required
bat volt low
Battery voltage low (LED warning
also)
UPS will shut down in a few minutes.
Initiate shutdown of critical loads
inv fus norm*
Inverter fuse normal
No action required
inv bln fusA
Inverter fuse A blown
Test/replace inverter fuses on A1 power
assembly