HRX-OM-W002-A
Chapter 7
Alarm Notification and Troubleshooting
7.3
Troubleshooting
HRR Series
7-6
Other Errors
How to check other errors
The causes and remedies for failures that are not indicated by alarm
numbers are shown in
“Table 7-2”
Table 7-2 Causes and remedies for failures without alarm number
Content of
failure
Cause
Remedy
The operation
panel displays
nothing
The power supply switch is not turned on.
Turn on the power supply switch.
Failure of power supply switch
Replace the power supply switch.
No power supply
(The breaker for the power supply is not
turned on.)
Supply the power.
Trip of breaker due to short-circuit and current
leakage
Repair the short-circuit or current leaking
part.
The [RUN] LED
does not light up
even when the
[RUN/STOP]
switch is pressed.
Communication is set.
Check the presence of communication
setting.
Failure of the [RUN] LED
Replace the controller.
Failure of the [RUN/STOP] switch
Replace the controller.
