No Display Conn. To Panel I/O; Power On Sequence Error; Power Off Sequence Error; Display Unit Shutoff Timeout - Mitsubishi Electric M800 Series Manual

M800/M80/E80/C80 Series Alarm/Parameter Manual
5 System Alarms (Z)
Z85

No display conn. to panel I/O

Details
No display unit is connected to the operation panel I/O unit.
Remedy
Make sure an operation panel I/O unit for M800W Series is connected.
Make sure the display unit is being powered.
Check for any cable disconnection between operation panel I/O and display units.
*If operation panel I/O is not connected to display unit in your system configuration, set the parameter "#1261
set33 /bit2" to "0".
Z85

Power ON sequence error

Details
No display unit is connected to the operation panel I/O unit.
Remedy
Make sure an operation panel I/O unit for M800W Series is connected.
Make sure the operation panel I/O unit is being powered.
Check for any cable disconnection between NC and operation panel I/O units.
Make sure the operation panel I/O and display units are connected.
* If operation panel I/O is not connected to display unit in your system configuration, set the parameter "#1261
set33/bit2" to "0".
* If no operation panel I/O is connected in your system configuration, set the parameter "#1261 set33/bit1" to
"1", and "#1261 set33/bit2" to "0".
Z85

Power OFF sequence error

Details
Power OFF sequence has not been executed correctly.
Remedy
Make sure an operation panel I/O unit for M800W Series is connected.
Make sure the operation panel I/O unit is being powered.
Check for any cable disconnection between NC and operation panel I/O units.
Make sure the operation panel I/O and display units are connected.
*If no operation panel I/O is connected in your system configuration, set the parameter "#1261 set33/bit1" to
"1", and "#1261 set33/bit2" to "0".
*If operation panel I/O is not connected to display unit in your system configuration, set the parameter "#1261
set33/bit2" to "0"."
Z85

Display unit shutoff timeout

Details
Timeout has occurred during wait for the display power shutdown when automatic power OFF is being execut-
ed.
Remedy
Make sure an operation panel I/O unit for M800W Series is connected.
Make sure the operation panel I/O unit is being powered.
Check for any cable disconnection between NC and operation panel I/O units.
Make sure the operation panel I/O and display units are connected.
*If no operation panel I/O is connected in your system configuration, set the parameter "#1261 set33/bit1" to
"1", and "#1261 set33/bit2" to "0".
* If operation panel I/O is not connected to display unit in your system configuration, set the parameter "#1261
set33/bit2" to "0".
Z86 Overvoltage detection warning
Details
Overvoltage was detected in hardware voltage.
Remedy
If this alarm occurs frequently, check the power supply voltage.
IB-1501279-H
0002
0003
0004
0005
0001
92