Section III
Operation
Page 3.17
BP
II S, 3.00
08/96
Table 3–2. Alarm History Messages and Descriptions with Corrective Actions (continued)
Screen Message
Corrective Action
Description
inv summary
Inverter summary alarm
Review other inverter alarms for
cause
inv inhibit
Inverter inhibited
Review other inverter alarms for
cause
inv normal
∗
Inverter normal
No action required
sbs summary
Static Bypass Switch summary
alarm
Review other SBS alarms for cause
sbs inhibit
Static Bypass Switch summary
inhibited
Review other SBS alarms for cause
sbs normal
∗
Static Bypass Switch summary
normal
No action required
ups summary
UPS summary alarm
Review all alarms for cause
ups inhibit
UPS inhibited
Review all alarms for cause
ups normal
∗
UPS in normal condition
No action required
CPU normal
∗
UPS processor normal
No action required
UPS Powerup
∗
UPS processor initialized
No action required
EPO btn pshd
EPO pushbutton pressed
Complete UPS restart procedure is
required
EPO btn rlsd
EPO pushbutton released
Complete UPS restart procedure is
required
ctl pwr on
∗
Control power on
No action required
ctl pwr off
Control power off
Turn on Control Power switch
rct wdog flt
Rectifier watchdog fault
Call Service Hotline
rct hi shtdn
Rectifier high shutdown
Call Service Hotline
clr rct wdog
∗
Rectifier watchdog fault cleared
No action required
pwrsply fail
Power supply failure
Call Service Hotline
pwrsply nrml
∗
Power supply normal
No action required
ps inp fail
Power supply input failure
Call Service Hotline
ps inp normal
∗
Power supply input normal
No action required
bat vlt nrml
∗
Battery voltage normal
No action required
sbs scr normal
∗
Static bypass switch -––– normal
No action required
rct on util
∗
Rectifier served by utility power
No action required
sbs inp open
Static bypass switch breaker open
Follow Startup procedure to close
circuit breaker
sbs inp closed
∗
Static bypass input switch or circuit
breaker closed
No action required
* – Not an alarm condition.
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