9.2 When a Failure is Suspected
DP060LM/DP120LM/DP180LM
235
9.2
When a Failure is Suspected
When a symptom that suspects a failure occurs, take an action according to Table 9-3. If it does not
solve the problem, contact the seller (NF Corporation or our agent) from whom you purchased the
product.
Table 9-3 Actions When a Failure is Suspected
Category Symptom
Possible
Cause Necessary
Actions
Problem at
power
on/off
The product does
not start
operating when
the power switch
is turned on.
The power is not
connected.
Connect the product to the power
supply.
2.4
The power supply is out
of the rated range.
Use the power supply within the
rated range.
2.4
The internal fuse is
blown.
Ask us or our agent for repair.
The product does
not stop
immediately
when the power
switch is turned
off.
It is not abnormal. The
product automatically
stops after the internal
voltage decreases to a
sufficiently safe level.
Please wait for a moment. It will
stop in about five seconds.
LCD shows
nothing (fan is
rotating).
The LCD contrast is
low. The ambient
temperature may be
changed from the time
when the contrast was
adjusted.
Increase the LCD contrast. If the
LCD display is completely
invisible, perform the Shortcut
operation
+
to
adjust the contrast. Then, the digit
cursor is placed on the tenths
place.
4.26
Problem at
key
operation
Panel operations
cannot be
performed.
The key lock is set to
on.
Set the key lock to off.
4.24
Keys or dials are
deteriorated.
Ask us or our agent for repair.
Numerical
values cannot be
entered through
the numeric
keypad.
It is in the shift state
(the SHIFT key LED
illuminates).
Press the SHIFT key to exit from
the shift state.
3.3.7
Problem at
output
setting
At start-up, the
previous settings
are not kept.
They are not saved in
the setting memory No.
1.
At start-up, the settings in the
setting memory No. 1 are recalled.
4.8.1
The output phase
configuration
cannot be
switched.
The output is on.
Turn the output off before
switching the output phase
configuration.
→
3.4.1
The output function is
set to the Sequence or
Simulation.
Change the output function to the
Continuous before switching the
output phase configuration.
→
3.3.1, 3.4.1
The output
voltage range
cannot be
switched.
The output is on.
Turn the output off before
switching the output voltage
range.
3.4.3
The output
voltage cannot
be set.
The signal source is set
to EXT or VCA.
Change the signal source.
3.4.2
You are trying to set a
value that is out of the
setting range.
Check for the voltage setting
range limit.
4.1.3
Summary of Contents for DP060LM
Page 1: ...PROGRAMMABLE AC POWER SOURCE DP060LM DP120LM DP180LM INSTRUCTION MANUAL NF Corporation...
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Page 3: ...PROGRAMMABLE AC POWER SOURCE DP060LM DP120LM DP180LM INSTRUCTION MANUAL DA00059920 004...
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Page 19: ...DP060LM DP120LM DP180LM 1 1 Outline 1 1 Overview 2 1 2 Series Lineup 2 1 3 Features 3...
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Page 300: ...11 Specifications PROGRAMMABLE AC POWER SOURCE 282 Figure 11 4 DP180LM Type5L cabinet...
