problem
Cause
Solution
UPS fails to start when the ON
button is pressed.
UPS is short-circuited
or overloaded.
Ensure the UPS is OFF. Disconnect all loads and ensure nothing
is lodged in output receptacles. Ensure the loads are not defective
or shorted internally.
Battery indicator is illuminated.
UPS not plugged in.
UPS requires service. Contact your local dealer, Sola/Hevi-Duty
Representative or Sola/Hevi-Duty Technical Support Services.
UPS input protection fuse has
blown/opened.
UPS is operating in Battery Mode. Save data and close
applications. Replace UPS input fuse, then restart UPS.
Utility voltage out of UPS
input range.
UPS is operating in Battery Mode. Save data and close
applications. Ensure utility supply voltage is within acceptable
limits for UPS.
UPS has reduced battery time.
Batteries are not fully charged. Keep UPS plugged in continuously at least 24 hours to
recharge batteries.
UPS is overloaded.
Check load level display and reduce the load on the UPS.
Batteries may not be able to
hold a full charge due to age.
Replace batteries. Contact your local distributor, Sola/Hevi-Duty
representative or the Sola/Hevi-Duty Technical Support Group for
replacement battery kit.
Fault and Bypass indicators
and all Load Level indicators
are illuminated.
UPS overloaded or load
equipment is faulty.
Check load level display and remove non-essential loads. Recal-
culate the load and reduce number of loads connected to UPS.
Check load equipment for faults.
Fault and Bypass indicators
and diagnostic indicator C
are illuminated.
UPS control power
supply fault.
UPS requires service. Contact your local distributor,
Sola/Hevi-Duty representative or the Sola/Hevi-Duty Technical
Support Group.
Fault and Bypass indicators
and diagnostic indicator D
are illuminated.
UPS PFC (Power Factor
Correction Circuit) fault.
UPS requires service. Contact your local distributor, Sola/Hevi-
Duty representative or the Sola/Hevi-Duty Technical
Support Group.
Fault and Bypass indicators
and diagnostic indicator A
are illuminated.
UPS internal fan has a
problem or UPS shutdown due
to temperature condition. Load
is on bypass power.
Ensure the UPS is not overloaded, ventilation openings are not
blocked and room ambient temperature is not excessive. Wait 30
minutes to allow UPS to cool, then restart UPS. If UPS does not
restart, contact your local distributor, Sola/Hevi-Duty
representative or the Sola/Hevi-Duty Technical Support Group.
Fault and Bypass indicators
and diagnostic indicator B
are illuminated.
UPS internal DC
bus overvoltage.
UPS requires service. Contact your local distributor,
Sola/Hevi-Duty representative or the Sola/Hevi-Duty Technical
Support Group.
Fault and Bypass indicators
and diagnostic indicator E
are illuminated.
UPS inverter fault.
UPS requires service. Contact your local distributor,
Sola/Hevi-Duty representative or the Sola/Hevi-Duty Technical
Support Group.
Fault and Bypass indicators
and diagnostic indicators A and
B are illuminated.
Inverter-to-Inverter
Communications Failure
UPS requires service. Contact your local distributor,
Sola/Hevi-Duty representative or the Sola/Hevi-Duty Technical
Support Group.
Fault indicator and diagnostic
indicators A and C
are illuminated.
UPS failed the battery test.
Replace batteries. local distributor, Sola/Hevi-Duty representative
or the Sola/Hevi-Duty Technical Support Group.
Fault indicator and diagnostic
indicators A and D
are illuminated.
L1 to L2 phase
angle unacceptable.
Only phase angles of 120, 180 or 240 degrees (±10 degrees) are
permitted. These must be compatible with the selections in the
configuration program. Or the phase angle has changed while
the UPS was running. The phase angle is detected at startup and
cannot be changed to a different power source while
running. Turn the UPS Off and wait until the fans stop. Apply
input AC power. The UPS will reprogram the phase angle to AC
power. The UPS will reprogram the phase angle to match the
utility, if the utility is 120, 180 or 240 degrees between L1 and L2.
If this does not resolve the issue, contact a qualified electrician to
verify the site wiring.
Fault indicator and diagnostic
indicators B and C
are illuminated.
REPO is currently activated.
UPS has shut down due to the REPO (Remote Emergency Power
Off). The output cannot be started by any method.
Troubleshooting
Table 5
Troubleshooting Guide
31
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