SMC Networks HRZ001-L Operation Manual page 65

Code Error message
Return Low Flow
12
FLT
Return Low Flow
13
WRN
Heater Breaker
14
Trip FLT
Pump Breaker
15
Trip FLT
CPRSR Breaker
16
Trip FLT
Interlock Fuse
17
Cutout FLT
DC Power Fuse
18
Cutout WRN
FAN Motor Stop
19
WRN
Internal Pump
20
Time Out WRN
Controller Error
21
FLT
Memory Data
22
Error FLT
Communication
23
Error WRN
DI Low Level
24
WRN
Pump Inverter
25
Error FLT
DNET Comm.
26
Error WRN
DNET Comm.
27
Erroe FLT
CPRSR INV Error
28
FLT
HRZ Series
Table 6-1 Troubleshooting (2/2)
System
condition
The flow rate of the circulating
Stop
fluid falls short of 6L/min.
The flow rate in this system
Continued falls short of your specified
value.
The breaker for the heater
Stop
power line was tripped.
The breaker for the circulating
Stop
pump power line was tripped.
The breaker for the
Stop compressor power line was
tripped.
An overcurrent was passed
Stop
through the control circuit.
An overcurrent was passed
Continued through the solenoid valve
(optional).
The ventilating fan came to a
Continued
stop.
The internal pump was under
Continued conditions of continuous
operation over a specified time.
An error was detected in the
Stop
control system.
An error was detected in data
Stop stored in the controller of this
system.
An interruption of serial
communication occurred
Continued
between this system and your
system.
Electical resistivity of the
Continued circulating fluid falls short of
your specified value.
An error was detected in the
Stop
system inverter.
DeviceNet communication was
disconnected between this
Continued
system and the customer's
system.
An error was detected in the
Stop DeviceNet communication
system.
An error was detected in the
Stop
inverter for compressor.
Chapter 6 Error Message and Troubleshooting
Cause
Check that the external valve is
opened.
Prepare a thicker external pipe
or install bypass piping.
Reset the setting flow rate.
Check that the power supply to
this system is compliant with the
specification.
Check that the power supply to
this system is compliant with the
specification.
Check that the power supply to
this system is compliant with the
specification.
Contact the system supplier for
request of inspection and repair.
Contact the system supplier for
request of inspection and repair.
Check that the air vent on the
back of the system is not blocked
off.
Check for fluid leak from
circulating fluid piping in your
system.
Contact the system supplier for
request of inspection and repair.
Contact the system supplier for
request of inspection and repair.
Check that a signal is being
issued from your system.
Check for disconnection of the
communication connector from
this system.
Lower the setting for resistivity.
Replacement of the DI filter is
required.
Contact the system supplier for
request of inspection and repair.
Check that a signal is being
issued from your system.
Check for disconnection of the
communication connector from
this system.
Contact the system supplier for
request of inspection and repair.
Contact the system supplier for
request of inspection and repair.
HRX-OM-I051
Remedies
6.2 Troubleshooting
6-3