SMC Networks HRS100-A?-20-? Operation Manual page 159

Code Alarm name
AL41 Power stoppage
AL42 Compressor waiting
AL43 ∗1 Fan failure
Compressor
AL45
current
AL47 Pump over current
Internal
AL49 ∗2
stoppage
AL50 Incorrect phase error
Phase
AL51
current
*1: Water-cooled type model does not generate this alarm.
*2: Air-cooled type model does not generate this alarm.
HRS Series
Table 6-3 Alarm codes and troubleshooting (3/3)
Alarm
operation*1
(Default
setting)
A.STP
A.RUN
P.RUN
over
P.RUN
A.STP
unit fan
A.RUN
A.STP
board over
A.STP
Chapter 6 Alarm Notification and Troubleshooting
Cause / Remedy
(Press the reset key after eliminating the
Power supply has been stopped during the
product operation.
Restart the power supply after checking.
Waiting for the compressor to be ready for
operation. Wait for a while.
The alarm will be reset automatically after
starting operation.
Check that there is no power failure such as
ground fault, short circuit, voltage fluctuation,
abnormal interphase voltage, open phase,
surge.
Check that there is no power failure such as
ground fault, short circuit, voltage fluctuation,
abnormal interphase voltage, open phase,
surge.
Release the compressor thermal trip referring
to [6.3.2 How to release the thermal relay trip
and circuit protector].
Check that there is no power failure such as
ground fault, short circuit, voltage fluctuation,
abnormal interphase voltage, open phase,
surge.
Release the pump thermal trip referring to
[6.3.2 How to release the thermal relay trip
and circuit protector].
Internal unit fan failure. Ask for service for the
internal unit fan.
The phase of the power line is connected by
incorrect phase.
Check that there is no power failure such as
ground fault, short circuit, voltage fluctuation,
abnormal interphase voltage, open phase,
surge.
Release the circuit protector trip referring to
[6.3.2 How to release the thermal relay trip
and circuit protector].
HRX-OM-S004
cause.)
6.3 Troubleshooting
6-7