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3.5.6 UPS Is Off Due to Unknown Reason and Its Trouble Shooting
3.5.7
3.5.7.1
If there is a serious abnormal condition occurred, the UPS will lock it
itself in “OFF” position as shown in drawing AA and a abnormal message will
show on the LCD screen.
3.5.7.2
After 3 seconds, all messages will be locked except Bypass
messages(LED
& LCD
). In case the Utility is abnormal after
the UPS is locked, the LED
will be extinguished and the LCD
will
be shown on the LCD screen.
3.5.7.3
To release the UPS lock, please proceed the followings:
3.4.6.3.1. Check those error messages recorded.
3.4.6.3.2. Check to see Chapter 2.2 to trouble shoot the problem of the UPS.
Otherwise, consult your local distributor for service.
3.4.6.3.3. Press Off
key pad for 5 seconds and buzzer will sound twice.
3.4.6.3.4. Turn Off the Breaker of Utility Input.
3.4.6.3.5. The UPS lock problem is solved now, but you shall contact with your
Local distributor to make sure the error message shown is solved.
3.5.8 Shut Off
3.5.8.1 Press
Off key pad for about 5 seconds, the Inverter output will be
turned off, then the output load is supplied by Bypass loop and the LCD
screen shows as drawing B.
3.5.8.2
Turn Off the breaker of Utility Input.
3.5.8.3
The UPS is turned off completely.
29
4 Troubleshooting Guide
4.1.
Trouble Shooting
When the UPS malfunctions during operation, you may check the followings:
a. Are the wirings of input and output correct?
b. If the input voltage of the Utility is within the input window of the UPS?
In case problems or symptoms still exist, please proceed the followings for
proper adjustment. Should the problem persists, please contact your local
distributor for help.
Situation Check
Items
Solution
UPS Red Fault LED
lights up
Check the error code
shown on the LCD
screen
1.Er05, &
2.Er06, Er10, Er12,
Er28 &
3.EPO
4.Er11, Er33
5.Er14
6.Er15
7.Er16, Er27
8. Er21
9.Er24
10.other error code
1. Check to see if the battery connection
is properly done, then re-charge the
batteries for 8 hours to see whether
the UPS may backup normally;
otherwise, consult your local
distributor right away.
2. If the CB3 is tripped, please turn off
the UPS completely and keep the
CAM switch at position INV before
pressing CB3. Then remove some
uncritical load at the UPS output end. If
any damage of the coating of AC
power cord, please replace a new one.
3. Remove the short circuit occurred at
the EPO terminal.
4. Remove the objects blocked onto the
ventilation holes.
5. Check the cooling FANs on rear panel
are working normally.
5. Make sure the UPS is operated
normally. If it is on CVCF mode, you
have to turn off and turn on the UPS
again.
6. All of parameters except ID Number in
the parallel UPS must be same. Please
refer chapter3.5.5 to set them again
7. Reconnect the RJ-45 wire or set a
UPS with ID=1.
8. When the UPS is on CVCF mode, it is
prohibited to have bypass input. You
have to turn off the UPS and bypass
input and re-start the UPS.
9. Consult your local distributor for help.
Summary of Contents for 1_1 online mp series
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