AEG 61000M Operations Instructions download pdf (Page 44)

10 Troubleshooting and Fault

Rectification

If error messages are displayed, please refer to the following

table in order to localise the fault that has occurred and to find

information about what measures to take to rectify the fault. If

you cannot resolve the problem(s), please contact the Service

Center (see page

5 "Hotline").

1. Check whether the UPS connection, and specifically the

mains connection, has been made correctly.

2. Check whether the input voltage has been applied correctly

(check for phase(s) connected to the neutral conductor and for

the phase sequence, if appropriate).

3. Check the connection of the battery system (polarity and nominal

voltage).

4. Make a note of the status of the unit when the fault occurred

(LC display) and the error code number that is displayed.

Overview of fault messages

PROBLEM POSSIBLE CAUSE SOLUTION

Overload in normal / bypass or battery

operation

Reduce the load.

Applied mains not in tolerance range

Check whether input cabling and UPS

input voltage are normal.

Error/fault LED lights up, periodic

warning signals

Battery system faulty / not connected

Check whether the voltage of the battery

system is correct and that the battery fuse-

switch disconnector is made.

Error/fault LED lights up,

continuous warning signal

UPS fault

Battery system aged/reached end of useful

life

Battery discharge time is 1/3 shorter

compared to 1st

time

Charging error

Contact the Customer Service Center.

LC display dark or faulty

LCD displays that data cable is not

attached correctly (?)

Make sure that the communication module

has been installed correctly; check both

plugs of the ribbon cable for the LC

display are connected correctly.

CompuWatch or SNMP(pro) do

not detect the PROTECT 1.M >>

No communication

Software status of CompuWatch or

firmware of SNMP(pro) card outmoded;

error in computer configuration

Download the latest software /

firmware from the AEG homepage.

Check the communication cable.

The LC display does not display

any inserted UPS modules

Modules, housing or units are not

connected correctly.

Pull the module out and re-insert it into the

slot (click!) or use a different slot.

Mains power is connected but the

UPS does not start operating.

Mains not in tolerance; phase loss or

possible phase sequence error; cover

removed from bypass switch.

Check the mains voltage and UPS

connection; replace cover of bypass

switch if removed.

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AEG 61000M Operations Instructions Page 44

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