SMC Networks HRW D Series User Manual

HRX-OM-K003
Chapter 6 Error Message and Troubleshooting
HRW Series 6.2 Troubleshooting
6-3
Table 6-1 Troubleshooting (2/2)
Code
Error message
System
condition
Cause
Remedies
12
Return Low
Flow FLT
Stop
The flow rate of the
circulating fluid falls short of
the specified value.
Check that the external valve is
opened.
Prepare a thicker external pipe
or install bypass piping.
13
Return Low
Flow WRN
Continued
The flow rate in this system
falls short of your specified
value.
Reset the setting flow rate.
15
Pump Breaker
Trip FLT
Stop
The breaker for the circulating
pump power line was tripped.
Check that the power supply to
this system is compliant with
the specification.
17
Interlock Fuse
Cutout FLT
Stop
An overcurrent was passed
through the control circuit.
Contact the system supplier for
request of inspection and
repair.
18
DC Power Fuse
Cutout WRN
Continued
An overcurrent was passed
through the solenoid valve
(optional).
Contact the system supplier for
request of inspection and
repair.
19
FAN Motor Stop
WRN
Continued
The ventilating fan came to a
stop.
Check that the air vent on the
back of the system is not
blocked off.
21
Controller Error
FLT
Stop
An error was detected in the
control system.
Contact the system supplier for
request of inspection and
repair.
22
Memory Data
Error FLT
Stop
An error was detected in data
stored in the controller of this
system.
Reset your specified value.
23
Communication
Error WRN
Continued
An interruption of serial
communication occurred
between this system and your
system.
Check that a signal is being
issued from your system.
Check for disconnection of the
communication connector from
this system.
24
DI Low Level
WRN
Continued
Electrical resistivity of the
circulating fluid falls short of
your specified value.
Lower the setting for resistivity.
Replacement of the DI filter is
required.
25
Pump Inverter
Error FLT
Stop
An error was detected in the
system inverter.
Contact the system supplier for
request of inspection and repair.
26
DNET Comm,
Error FLT
Stop
An error was detected in the
DeviceNet communication
system.
Contact the system supplier for
request of inspection and
repair.
27
DNET Comm.
Error WRN
Continued
DeviceNet communication
was disconnected between
this system and customer’s
system.
Check that a signal is being
issued from your system.
Check for disconnection of the
communication connector from
this system.
29
F.Water Low
Temp. WRN
Continued
The temperature of facility
water falled below your
specified value.
Reset the setting temperature.
30
F.Water High
Temp. WRN
Continued
The temperature of facility
water exceeded your
specified value.
Reset the setting temperature.

SMC Networks HRW D Series Specifications

General

Brand	SMC Networks
Model	HRW D Series
Category	Chiller
Language	English