Mitsubishi Electric Q68AD-G User Manual page 236

8
TROUBLESHOOTING
Error code
(decimal)
The process alarm upper/lower limit value (Un\G86 to Un\G117)
are set contradictorily.
indicates the channel number set incorrectly.
*3
6
indicates the following state.
2: Lower lower limit value > lower upper limit value
3: Lower upper limit value > upper lower limit value
4: Upper lower limit value > upper upper limit value
The rate alarm warning detection period (Un\G118 to Un\G125) is
*3 outside the range of 10 to 5000ms.
70
indicates the channel number set incorrectly.
The rate alarm warning detection period (Un\G118 to Un\G125) is
not:
• A multiple of the sampling cycle or
*3
71
• A multiple of the time or count averaging conversion cycle.
indicates the channel number set incorrectly.
When the time or count averaging setting in Un\G1 to Un\G8 is
changed, the rate alarm warning detection period is not a multiple
*3 of the corresponding new time or count averaging conversion
72
period.
indicates the channel number set incorrectly.
When the "Same upper limit value/lower limit value" is selected for
the input signal error detection extended setting,
• CH input signal error detection setting value (Un\G142 to
Un\G149) is outside the range of 0 to 250.
indicates the channel number set incorrectly.
When the "Different upper limit value/lower limit value" is selected
*3
80
for the input signal error detection extended setting,
• Input signal error detection lower limit setting value (Un\G142 to
Un\G149) is outside the range of 0 to 251.
• Input signal error detection upper limit setting value (Un\G150 to
Un\G157) is outside the range of 0 to 251.
indicates the channel number set incorrectly.
The scaling upper/lower limit value (Un\G62 to Un\G77) is set out-
*3 side the range of –32000 to 32000.
90
indicates the channel number set incorrectly.
In the scaling upper/lower limit value setting (Un\G62 to Un\G77),
*3
Lower limit
91
indicates the channel number set incorrectly.
8.1 Error Code List
8
- 3
Table 8.1 Error code list (3/3)
Error description
Upper limit.
Processing
Reset the contents of the process alarm upper/
lower limit values (Un\G86 to Un\G117).
Reset the rate alarm warning detection period
(Un\G118 to Un\G125) to within 10 to 5000ms.
Change the value of the rate alarm warning detec-
tion period as follows:
• For sampling processing: A multiple of conver-
sion cycle (10ms x No. of conversion-enabled
channels)
• For averaging processing: A multiple of time or
count averaging conversion cycle
Reset the time averaging or count averaging set-
ting so that the corresponding rate alarm warning
detection period is a multiple of the time or count
averaging conversion period.
Reset the input signal error detection setting value
to within 0 to 250.
Reset the input signal error detection lower limit
setting value and input signal error detection upper
limit setting value within 0 to 251.
Correct the scaling upper/lower limit value within
the range of –32000 to 32000.
Set them again so that he scaling upper limit value
is greater than the scaling lower limit value.