HP R1500 HP 3 Phase UPS User Guide - Page 98

Protected equipment is not on, Overload condition, Overtemperature condition, Redundancy loss due

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4. To supply power to the connected equipment, power up the UPS. o Standalone UPS configuration-See "Powering up the standalone UPS (on page 25)." o Parallel UPS configuration-See "Powering up the parallel system (on page 39)." Protected equipment is not on Possible cause: The UPS is operating normally, but some or all of the protected equipment is not on. Action: • Be sure that the equipment is plugged into the UPS receptacles. • Be sure that the output circuit breaker is in the Off position. Overload condition Possible cause: Power requirements exceed the UPS capacity. For output overload ranges, see "UPS output specifications (on page 103)." Action: Remove one or more load devices to reduce the power requirements.The UPS continues to operate, but might switch to Auto-Bypass mode (on page 66) if the load increases. The alarm resets when the conditions becomes inactive. Overtemperature condition Possible cause: The UPS internal temperature is too high, or a fan has failed. Action: 1. Power down the UPS. o Standalone UPS configuration-See "Powering down the standalone UPS (on page 72)." o Individual UPS in a parallel configuration-See "Powering down an individual paralleled UPS (on page 72)." o Parallel UPS configuration-See "Powering down the parallel system (on page 73)." 2. Allow the UPS to cool: a. Clear vents and remove any heat sources. b. Be sure that the that the airflow around the UPS is not restricted. 3. Wait at least 5 minutes and restart the UPS. 4. If the condition persists, contact an HP authorized service representative. Redundancy loss due to overload Possible cause: The specified power rating of the parallel system has been exceeded. Action: The load is supported, but the system lacks redundant protection while the overload condition persists. Troubleshooting 98

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Troubleshooting 98
4.
To supply power to the connected equipment, power up the UPS.
o
Standalone UPS configuration—See "Powering up the standalone UPS (on page
25
)."
o
Parallel UPS configuration—See "Powering up the parallel system (on page
39
)."
Protected equipment is not on
Possible cause:
The UPS is operating normally, but some or all of the protected equipment is not on.
Action:
Be sure that the equipment is plugged into the UPS receptacles.
Be sure that the output circuit breaker is in the Off position.
Overload condition
Possible cause:
Power requirements exceed the UPS capacity. For output overload ranges, see "UPS output
specifications (on page
103
)."
Action
:
Remove one or more load devices to reduce the power requirements.The UPS continues to operate, but might
switch to Auto-Bypass mode (on page
66
) if the load increases.
The alarm resets when the conditions becomes inactive.
Overtemperature condition
Possible cause:
The UPS internal temperature is too high, or a fan has failed.
Action
:
1.
Power down the UPS.
o
Standalone UPS configuration—See "Powering down the standalone UPS (on page
72
)."
o
Individual UPS in a parallel configuration—See "Powering down an individual paralleled UPS (on
page
72
)."
o
Parallel UPS configuration—See "Powering down the parallel system (on page
73
)."
2.
Allow the UPS to cool:
a.
Clear vents and remove any heat sources.
b.
Be sure that the that the airflow around the UPS is not restricted.
3.
Wait at least 5 minutes and restart the UPS.
4.
If the condition persists, contact an HP authorized service representative.
Redundancy loss due to overload
Possible cause:
The specified power rating of the parallel system has been exceeded.
Action:
The load is supported, but the system lacks redundant protection while the overload condition persists.