MM-400A
13. Error List and Maintenance
13-2
Error
code
Description Cause Remedy
E06 ENVELOPE
ERROR
Envelope setting
data exceeds the
settable range.
Check the following when an error occurs in the
envelope setting.
Check if each envelope setting falls under any of
the following four items and make a setting again.
• The set time (end - start) exceeds 5000 in each
SEGMENT.
Ex.) When SAMPLING INTERVAL is 100 μs
with start 0 and end 400 ms, the number of data
is 400 ÷ 0.1 = 4000, which is normal, but when
SAMPLING INTERVAL is 50 μs, the number of
data is 400 ÷ 0.05 = 8000 and it exceeds 5000,
and therefore the envelope error occurs.
• ENVELOPE INTERVAL is shorter than
SAMPLING INTERVAL.
Ex.) When setting SAMPLING INTERVAL to
100 μs and ENVELOPE INTERVAL to 20 μs or
50 μs, the envelope error occurs.
• ENVELOPE INTERVAL cannot be evenly
divided by SAMPLING INTERVAL.
Ex.) When setting SAMPLING INTERVAL to 20
μs and ENVELOPE INTERVAL to 100 μs, it is
normal, but when ENVELOPE INTERVAL is 50
μs, it cannot be divided evenly, and therefore
the envelope error occurs.
• Settings of START TIME and END TIME are
the same.
Ex.) When setting START TIME to 5 ms､and
END TIME to 5 ms, the setting range becomes
0 ms, and therefore the envelope error occurs.
Envelope setting
data in memory
is damaged.
Check the following when an error occurs at
power on.
Check all the settings.
If the data in memory is damaged, the following
are possible causes:
• Generation of powerful power supply or
electrostatic noise
• Abnormal supply voltage resulting, for example,
from lightening or induced lightening
It is advisable to back-up envelope data in the
USB often, as a precaution against possible data
corruption.
When you touch the INITIAL key and select YES
(refer to “n-1. SYSTEM SETUP (1) Screen” in
Chapter 8, “Operation Screens”), the memory is
initialized, resetting all settings back to factory
settings. Read the data you saved. The memory
will be initialized in approximately 60 seconds. Do
not turn OFF the power during the initialization.
If the error is not eliminated, the MM-400A needs
repair. Please contact us.
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