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Al a r m s
Use Alarm Log to display the alarms. List the names of any active alarms: ___________________
___________________
___________________
___________________
List the names of recent alarms: ___________________
___________________ ___________________ ___________________
B y p a s s T e s t a n d M o d u l e M a i n t e n a n c e
Connect an oscilloscope to MegaV2 output terminals L1 and N. Press the BYPASS button to put the UPS in bypass
mode. Verify that the transfer takes place normally, with no interruption of power to the load.
[ ] OK
[ ] Not OK
I n s p e c t a n d C l e a n t h e F a n s G r i d
Done
C h e c k F r o n t a n d R e a r F a n s
Use a flashlight to visually verify that the 3 front fans and 2 rear fans in each module are operating.
Front fans
Rear fans
V o l t a g e M e a s u r e m e n t s
Measured value: ____
Vac
Use a voltmeter to measure the bypass input voltages according to the table below. Compare your measurements with
the console display of the bypass input voltage.
Location
Inverter output
MegaV2 250 Installation Guide, Release 2.2
G
AMATRONIC
___________________ ___________________ ___________________
Comments ____________________________________________________
Examine and clean the modules' fans from the outside with a vacuom or air compressor, if
needed.
[ ] OK
[ ] Not OK
[ ] OK
[ ] Not OK
Measure the voltage between Neutral and Ground at the bypass input. The value should be
no greater than 3 Vac.
Voltmeter
Phases
reading
L1 – N
L2 – N
L3 – N
E
I
L
LECTRONIC
NDUSTRIES
TD
___________________
___________________
Comments ____________________________
Comments ____________________________
Console
reading
YES
.
___________________
Readings match?
NO
53
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