•
2
Procedure:
•
Shut the UPS
down by pressing key ‘0’ on the Operating panel.
•
Remove Mains
voltage from the input socket.
•
Remove the Front Panel
and
disconnect the Battery plug.
•
Wait 10 Minutes to
allow discharge of the DC-Capacitors.
•
Remove dangerous voltage
and then
remove the UPS cover
, following instructions on page 5.
•
Measure the voltage across R316/R345* and R317/R346*.
( < 20 Volt )
*(For
VH700-VH1500
measure voltage on resistor
R345/R346
, and for
VH2000/VH3000
on
R316/R317
)
Modifications reserved
7
ISG_VHS_FRM_UPD_XGB_V010.doc