SMC Networks HRSH090 Series, Operation Manual

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HRX-OM-R026
Chapter 7 Alarm indication and trouble shooting
HRSH Series 7.3 Troubleshooting
7-7
Table 7-3 Alarm code list and Troubleshooting (3/3)
Code Alarm name
Alarm
operation*1
(Default
setting)
Cause / Remedy
(Press the reset key after eliminating the
cause.)
AL40

2
Dust-proof filter
maintenance
OFF
Notice of the
periodical
maintenance.
Clean
the
dust-proof filter.
Every 500h

3
AL41 Power stoppage A.STP
The power was shut off during running.
Restart after checking the power supply.
AL42 Compressor waiting A.RUN
The system is waiting for the compressor to
be ready to run. Wait for a while.
Will be automatically released after running.
AL43

2 Fan breaker trip
P.RUN
Check that there is
no power failure
such as ground
fault, short circuit,
voltage fluctuation,
abnormal
interphase voltage,
open phase, surge.
Release the fan breaker
trip referring to [6.3.2
How to release the fan
breaker trip].
AL44

2 Fan inverter error
P.RUN
AL45

1
Compressor breaker
trip
P.RUN
Keep
the [▼] and [▲] keys
of the operation display
panel
pressed down
simultaneously for 10
seconds to reset. After
resetting
AL48,
WAIT(
)
will be
displayed and the product
cannot run for 40 seconds.
Restart 40 seconds later
after resetting.
AL46
Compressor inverter
error
P.RUN
AL47

1 Pump breaker trip A.STP
AL48 Pump inverter error A.STP
AL49

4
Air exhaust fan
stoppage
A.RUN
Air exhaust fan failure. Ask for service for the
air exhaust fan.

1: This alarm does not occur on the product of power specification
‘-20’. (Except option S.)

2: This alarm does not occur on the product of water cooled type.

3: Change the setting within the range of 1 to 9999.

4: This alarm does not occur on the product of air cooled type.