19

S8AS

List of Alarms

Note: Alarms will be displayed in order of priority if more than one alarm occurs at the same time.

Order of priority: A10, A12, A11, A23/HOT, A21, A23, A30.

* Enabling or disabling the functionality to reset errors by turning the power supply OFF and then ON can be set using the Reset Method Setting

(RST) parameter. However, the settings for the S8AS-24006N and S8AS-48008N cannot be changed.

(Initial setting: Errors can be reset by turning the power supply OFF and ON again.)

Alarm

display

Name

Alarm outputs

Power

outputs

Recovery/reset method

A10

Abnormal

voltage

tripping

TRP output: OFF

(normally ON)

Total current

tripping

Remove the cause of the abnormality and then press the Reset Key(

) on the

front panel or use communications reset function (S8AS-24006R and S8AS-

48008R only).

*

Power supply will be restarted after recovery.

Note: Once an error has been reset, another reset operation cannot be

performed for at least 15 seconds.

A11

Abnormal

current

tripping

TRP output: OFF

(normally ON)

Cut off

Remove the cause of the abnormality and then press the Reset Key(

) on the

front panel or use communications reset function (S8AS-24006R and S8AS-

48008R only).

*

Power supply will be restarted after recovery.

Note: Once an error has been reset, another reset operation cannot be

performed for at least 15 seconds.

A12

Abnormal

total current

tripping

TRP output: OFF

(normally ON)

Total current

tripping

Remove the cause of the abnormality and then press the Reset Key(

) on the

front panel or use communications reset function (S8AS-24006R and S8AS-

48008R only).

*

Note: Once an error has been reset, another reset operation cannot be

performed for at least 15 seconds.

A21

Undervoltage

alarm

ALM output: OFF

(normally ON)

ON

Remove the cause of the abnormality and then press the Reset Key(

) on the

front panel or use communications reset function (S8AS-24006R and S8AS-

48008R only).

*

Note: 1. Once an error has been reset, another reset operation cannot be

performed for at least 15 seconds.

2. The alarm status will be reset if the cause of the alarm has been

removed when the power supply is reset.

A23

Maintenance

forecast

monitor output

LEF output: OFF

(normally ON)

ON

The replacement time specified for the S8AS has become less than the value set

for the maintenance forecast monitor function. Either replace the S8AS or change

the set value.

A23/HOT

Overheating

alarm

LFE output: OFF

(normally ON)

ON

Take steps to reduce the internal temperature of the S8AS. The error will

automatically be cleared when the temperature becomes stable. However, if the

overheating alarm stays ON for more than 3 hours, it can no longer be cleared.

Be sure to clear the error within 3 hours.

A30

Over-

temperature

output

TMP output: OFF

(normally ON)

ON

The alarm display and over-temperature output will automatically be reset if the

temperature remains below the set value minus 3

°C for at least 5 s.