APC LX Service Manual download pdf (Page 20)

CHAPTER 4: MESSAGES

18

PowerView

Message

Meaning Corrective Action

Redundancy is

below alarm

threshold.

Actual power module redundancy has

fallen below the user specified

redundancy alarm threshold. Either

power module(s) failed or the load has

increased.

Option 1: If possible, install

additional power modules.

Option 2: Decrease the load.

Option 3: Use the

PowerView to decrease the

redundancy alarm threshold.

(Startup>Setup>Alarms>

Redundancy)

Threshold

Alarm

(continued)

Runtime is below

alarm threshold.

The predicted runtime is lower than

the user specified for the minimum

runtime alarm threshold. Either the

battery capacity has decreased or the

load increased.

Option 1: Allow the battery

modules to recharge.

Option 2: If possible,

increase the number of

battery modules.

Option 3: Decrease the load.

Option 4: Use the

PowerView to decrease the

minimum runtime alarm

threshold.

(Startup>Setup>Alarms>

Runtime)

Bypass is not in

range (either freq

or voltage).

The frequency and/or voltage are out

of acceptable range for bypass. This

message occurs when the UPS is

online and indicates that the bypass

mode may not be available if required.

The system may start

on-battery.

Option 1: Decrease the

sensitivity to input frequency.

(Startup>Setup>OutputFreq)

Option 2: Correct input

voltage to provide

acceptable voltage and/or

frequency.

Bypass contactor

stuck in bypass

position.

The UPS is positioned in the bypass

position and cannot go on-line.

Bypass contactor

stuck in on-line

position.

The UPS is positioned in the on-line

position and cannot go to bypass.

UPS in bypass

due to internal

fault.

The UPS has transferred to bypass

mode because a fault has occurred.

Call your contract service

provider or APC Technical

Support.

UPS in bypass

due to overload.

The load exceeded the system power

capacity. The UPS has switched to

bypass mode.

Option 1: Decrease the load.

Option 2: If possible, add

power modules to the

system.

Bypass

System is in

Maintenance

Bypass.

The UPS is in bypass because the

maintenance bypass switch is in the

On position.

No corrective action

necessary.

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