SMC Networks HRZD020-W1S-W1S, Operation Manual

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HRX-OM-M005
Chapter 6 Error Message and Troubleshooting
6.2 Troubleshooting HRZD Series
6-2
6.2 Troubleshooting
The procedure for error recovery varies with alarm types.
Alarm Code.01 to 21, 22, 24, 25, 28:
Eliminate the error cause, then press the [RESET] key on the operation display
panel or power cycle the main breaker to recover from the error.
Alarm Code. 30, 99:
Eliminate the error cause, and power cycle the main breaker to recover from the
error.
Alarm Code.23:
Automatic error recovery happens when the cause of the error is eliminated.
Alarm Code.18, 24:
This is an alarm for accessories (optional).
No alarm of this type is issued if the product is fitted with no accessories.
Table 6-1 Troubleshooting (1/3)
Code Error message
Product
condition
Cause Remedies
COM-01 Water Leak Detect FLT Stop
The fluid is pooled at the base
of the product.
Check for fluid leak.
CH1-03 CH2-03 RFGT High Press FLT Stop
The pressure of the refrigerant
circuit exceeded the specified
value.
Check that facility water is
being supplied to the
product in accordance with
specifications.
CH1-05 CH2-05 Reservoir Low Level FLT Stop
An insufficient amount of the
circulating fluid is observed in
the tank.
Fill the circulating fluid.
CH1-06 CH2-06
Reservoir Low Level
WRN
Continued
An insufficient amount of the
circulating fluid is observed in
the tank.
Fill the circulating fluid.
CH1-07 CH2-07
Reservoir High Level
WRN
Continued
An excessive amount of the
circulating fluid is observed in
the tank.
Drain the circulating fluid.
CH1-08 CH2-08 Temp. Fuse Cutout FLT Stop
The circulating fluid tank was
raised in temperature.
Check the load
specification.
Replacement of the thermal
fuse is required.
Call the supplier for
service.
CH1-09 CH2-09
Reservoir High Temp.
FLT
Stop
The temperature of the
circulating fluid exceeded the
specified value.
<Specified value> 95°C
Check the load
specification.
CH1-11 CH2-11
Reservoir High Temp.
WRN
Continued
The temperature of the
circulating fluid exceeded your
specified value.
<Setting range>
-30 to 93°C
Reset the setting
temperature.
Check that the external
valve is opened.
CH1-12 CH2-12 Discharge Low Flow FLT Stop
The flow rate of the circulating
fluid falls short of 6L/min.
Prepare a thicker external
pipe or install bypass
piping.
CH1-13 CH2-13
Discharge Low Flow
WRN
Continued
The flow rate in the product
falls short of your specified
value.
<Setting range>
10 to 40L/min
Reset the setting flow rate.
CH1-14 CH2-14 Heater Breaker Trip FLT Stop
The breaker for the heater
power line was tripped.
Check that the power
supply to the product is
compliant with the
specification.