Mitsubishi L Series User Manual

164
11.6 Troubleshooting
(1) When the RUN LED flashes or turns off
(a) When flashing
(b) When turning off
(2) When the ERR. LED turns on or flashes
(a) When turning on
(b) When flashing
(3) When the ALM LED turns on or flashes
(a) When turning on
(b) When flashing
Check item Action
Is the operation mode setting in the offset/gain setting mode?
Take the either of the following actions:
• switch the operation mode setting in the intelligent function
module switch setting to the normal mode, or
• correct Switch4 in the intelligent function module switch setting to
switch the operation mode setting to the normal mode.
Check item Action
Is the power supplied?
Check that the supply voltage of power supply module is within the
rated range.
Is the capacity of power supply module enough?
Make sure that the power capacity is enough by calculating the
current consumption such as a connected CPU module, an I/O
module, and an intelligent function modules.
Is there any watchdog timer error?
Reset the CPU module, and check if the RUN LED turns on.
If the RUN LED remains off, the module may be failed.
Please consult a local Mitsubishi representative.
Is the module connected properly? Check the module connection.
Check item Action
Does any error occur?
Check the error code, and take the action described in the error
code list.
• Error Code List ( Page 159, Section 11.4)
Check item Action
Is the value other than 0 set for Switch 5 of the intelligent function
module switch setting?
With the parameter setting, set 0 for Switch 5 in the intelligent
function module switch setting.
Check item Action
Is there any alarm output? Check Warning output flag (Process alarm) (Un\G50).
Check item Action
Is there any input signal error? Check Input signal error detection flag (Un\G49)

Mitsubishi L Series Specifications

General

Brand	Mitsubishi
Model	L Series
Category	Engine
Language	English