HRX-OM- T002
Chapter 7 Alarm Notification and Troubleshooting
7.4
Other Errors
HRS090 Series
7-12
7.4 Other Errors
How to check other errors
The causes and remedies for failures that are not indicated by alarm
numbers are shown in
’’.
Table 7-4 Possible causes and countermeasures for failures without alarm number
Content of failure
Possible cause
Countermeasure
The operation panel
displays nothing.
The breaker of the user
’s power
supply or/and the optional breaker
is/are not turned ON.
Turn ON the breaker.
The breaker of
the
user
’s power
supply or the optional breaker has
failed.
Replace the breaker.
No power supply.
(e.g. Breaker(s) in the power
supplying route has not been
turned ON.)
Supply the power.
The breaker for the user
’s facility
or the optional breaker has tripped
due to short-circuit or leakage of
electricity.
Repair the short-circuited part or the
electricity leaking part.
The [RUN] light does
not turn ON when the
[RUN/STOP] button is
pressed.
Communication setting has been
turned ON.
Check if the communication setting has
been turned ON.
Failure of the [RUN] light
Replace the controller.
Failure of the [RUN/STOP] button
Replace the controller.
* Check the supply voltage with a tester.
