Mitsubishi Electric E80 Series, Maintenance Manual

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M800/M80/E80 Series Maintenance Manual
4 Failure Diagnosis
89 IB-1501273-F
(*1) As for the NC unit, the contents are as follows depending on the condition:
NC
Communication between NC unit and display unit
Item Details
Battery vol state This displays the current state of the battery voltage as 0 or 1.
Condition Class
0 (normal state) -
1 (encoder error)
(no battery) Warning (yellow)
Battery used years This displays approximate time of the battery used from the last replacement.
Condition Class
Recommended battery use (5 years) <= Time for the bat-
tery used Warning (yellow)
NC : temp. 1 (°C) This displays the current temperature of the control unit.
Condition (M800S: Main card /M80/E80) Class
78.5°C < Control unit temp. <= 81°C Caution (gray)
81°C < Control unit temp. Warning (yellow)
Condition (M800W: Main card) Class
79°C < Control unit temp. <= 84.5°C Caution (gray)
84.5°C < Control unit temp. Warning (yellow)
Condition (M80W: Main card) Class
79°C < Control unit temp. <= 81.5°C Caution (gray)
81.5°C < Control unit temp. Warning (yellow)
Fan rev (r/min) This displays the current fan rotation speed of the control unit.
Condition Class
Fan rot. speed <= 4000 r/min Warning (yellow)
Item Details
Servo comm err Num1 This displays the count of occurrence for "Y51 SV commu er: Recv frame No. xx04"
after the power ON.
Servo comm err Acc1 This displays the cumulated count of occurrence for " Y51 SV commu er: Recv
frame xx04".
Press the menu [Servo clear] to clear the cumulated count to "0".
Servo comm err Num2 This displays the count of occurrence for "Y51 SV commu er: Data ID error xx03"
after the power ON.
Servo comm err Acc2 This displays the cumulated count of occurrence for "Y51 SV commu er: Data ID er-
ror xx03".
Press the menu [Servo clear] to clear the cumulated count to "0".
RIO channel/station1 This displays the Channel No./Station No. of occurrence for continuous error after
the power ON.
RIO retry count max 1 This displays the maximum value of the continuous error after the power ON.
RIO channel/station 2 This displays the Channel No./Station No. held even if the power OFF.
Press the menu [RIO clear] to clear the Channel No./Station No. to "0/0".
RIO retry count max 2 This displays the count held even if the power OFF.
Press the menu [RIO clear] to clear the count to "0".
Ether comm err Num This displays the number of Ethernet communication error after PLC program is ex-
ecuted once.
Ether comm err Acc This displays the cumulated count of occurrence for Ethernet communication error.
Press the menu [Ether clear] to clear the cumulated count to "0".
Overvoltage Acc This displays the cumulated count of detection frequency of overvoltage after the
power ON.
Press the menu [Cl. ov.history] to clear the cumulated count to "0".
Power losses Num This displays the count of detection frequency of instantaneous power interruption
after the power ON.