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ERROR
DESCRIPTION
Er16
Output
Parameters
Setting Error
Er17
ID Numbers in
conflict in or ID
number Error in
single unit
Er27
The UPS Must
Be Operated in
Normal-Mode in
Parallel System
Er08
DC BUS High
Level Abnormal
Er34
Balance
Function
Conflict
14
®
If an Er16 appear during
the parallel installation test,
then there are one or more
parameters setting conflict
between the UPS units.
1. Two or more units have
the same ID number.
(Parallel system)
2. Parallel function is not
enabled, but ID number is
not 01. (Single unit)
The UPS is not working
in "Normal Mode.
"ECO Mode" and
"Frequency-Converter Mode"
are not supported
for parallel system.
1. If the output voltage
difference between each
unit is higher than 1.0Vac,
an Er08 could
Appear on the display
panel during the parallel
system start up.
2. Improper installation
or parallel system
communication failure.
New UPS version unit(s)
paralleled with older version
unit(s).
5 Trouble Shooting
CAUSE
POSSIBLE
SOLUTION
Possible solution: repeat
the process described in the
paragraph "parameters check"
2and make sure that the
common setting are the same
for each units Process test 1.1
and check each parameters
are the same setting between
each unit.
1. Change ID number setting.
2. Change ID number as 01.
Change UPS setting as
"Normal mode".
1. Check the inverter output
voltage independently for
each unit and apply the
calibration procedures to
the units with abnormal
output voltage.
2. Check the parallel setting
and repeat the Er-21
checks described in the
Test start up paragraph.
Use "UPS Setting Tool"
software to enable special
function flag #8 to make the
new version compatible with
the old one
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