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6. INSPECTION AND MAINTENANCE
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35
CAUTION
!
Internal inspection and maintenance of the UPS should be performed only by service
technicians
*1
.
An electric shock, bodily injury, burns, smoke, or a fire may otherwise result.
Before beginning inspection, shut down the UPS completely and remove the input power.
Failure to do so may result in an electric shock, injury, burn, or the like.
While the batteries are connected to the equipment, hazardous voltage is present. Never touch
any parts with your hand. Failure to do so may result in electrical shock.
Inspection and maintenance must be carried out following the instructions in this manual.
Incorrect inspection and maintenance may result in an electric shock and/or a fire.
Replace the batteries periodically. Using batteries after their service life has expired may cause a
fire.
The projected service life of this UPS is 7 years
*2
. During this period, the batteries must be replaced periodically.
There are routine checks to be performed by the user and maintenance to be performed by a service technician.
Some maintenance items cannot be performed by the user, so be sure to submit a request for such work to your sales representative
or SANYO DENKI when maintenance is required.
*2. The expected service life is for a case where the yearly average ambient temperature of the UPS is 30 C (86 F).
The expected life is not a guaranteed value.
Part replacement and repairs should
never be attempted by customers.
Routine checks
“6.1 Routine Checks by Customer”
Inspecting the batteries
When trouble occurs
“6.3 Resetting the Bypass Breaker”
“8. Troubleshooting”
*What are service technicians?
This term is used to indicate service technicians with technical expertise related to electrical equipment construction, or
service technicians with knowledge of this UPS from SANYO DENKI or entrusted by SANYO DENKI. Construction and
maintenance work must not be performed by any person other than a qualified service technician.
Service technician
Customer
Submit a request for maintenance
to your sales representative
It is time to replace the batteries.
Battery replacement warning display
The result of the battery test is NG (failure).
“ALARM (red)” is lit.
An error has occurred.
The trouble could not be resolved.
The UPS has malfunctioned.
!
This term is used to indicate service technicians with technical expertise related to electrical equipment construction, or
service technicians with knowledge of this UPS from SANYO DENKI or entrusted by SANYO DENKI. Construction and
maintenance work must not be performed by any person other than a qualified service technician.
*
1
What are service technicians?
6
6
.
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S
S
P
P
E
E
C
C
T
T
I
I
O
O
N
N
A
A
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N
D
D
M
M
A
A
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