Delta DVP-ES3 Series, Operation Manual, Page: 410 / 411

A p p e n d i x D M a i n t e n a n c e a n d I n s p e c t i o n
D - 5
D_
D.3 Periodic Maintenance
In addition to daily inspection, you should perform periodic maintenance depending on the actual operating
environment. After making sure that the ambient environment and the DVP-ES3 Series system conform to the
cautions listed in Section 8.1, perform the periodic inspection described below. If you find any problems, follow the
solution and perform any necessary maintenance.
D.3.1 Required Inspection Tools

A screwdriver

Industrial alcohol

A clean cotton cloth

A multimeter

A thermometer

A hygrometer
D.3.2 Periodic Inspection
No. Item Inspection Criterion Remedy
1
A
m
bi
e
nt
e
nv
ir
on
m
ent
Ambient
temperature/hu
midity
The ambient temperature
and the ambient humidity
are measured by a
thermometer and a
hygrometer.
The ambient temperature
and the ambient humidity
must conform to the
specifications for the
modules or the
backplane. If the
specifications are
different, the strictest
specifications have
priority.
To ensure that the system
operates in a stable
environment, determine
why the environment
varies, and resolve the
issue.
Atmosphere Measure corrosive gas.
Corrosive gas must not
be present.
2 Supply voltage
Measure the AC power
supply.
The power supply should
meet the specifications
for the power supply
Check the power supply.