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HRX-OM-I051
Chapter 6 Error Message and Troubleshooting
6.2 Troubleshooting
The procedure for error recovery varies with alarm types.
z Alarm Code.01 to 20, 22, 24, 25:
Eliminate the error cause. Press the [RESET] key on the operation display panel
or power cycle the main breaker to enable error recovery to take effect.
z Alarm Code.21, 28:
Eliminate the error cause, and power cycle the main breaker to enable error
recovery to take effect.
z Alarm Code.23, 26, 27:
Automatic error recovery is implemented upon elimination of the error.
z Alarm Code.24, 26, 27:
This is an alarm for accessories (optional).
No alarm of this type is issued if the system is outfitted with no accessories.
z Alarm Code.25, 28:
This alarm is only for HRZ010-W*S.
Table 6-1 Troubleshooting (1/2)
Code
Error message
System
condition
01
Water Leak
Detect FLT
Stop
02
Incorrect Phase
Error FLT
Stop
03
RFGT High
Press FLT
Stop
04
CPRSR
Overheat FLT
Stop
05
Reservoir Low
Level FLT
Stop
06
Reservoir Low
Level WRN
Continued
07
Reservoir High
Level WRN
Continued
08
Temp. Fuse
Cutout FLT
Stop
09
Reservoir High
Temp. FLT
Stop
11
Reservoir High
Temp. WRN
Continued
6.2 Troubleshooting
6-2
Cause
Remedies
The fluid is pooled at the base
Check for fluid leak.
of this system.
Check that a proper connection
The power phase rotation is
is established between the
power cable and main breaker
wrong.
of this system.
The pressure of the
Check that facility water is
refrigerant circuit exceeded
being supplied to this system.
the specified value.
The temperature in the
Check that facility water is
compressor was excessive.
being supplied to this system.
An insufficient amount of the
circulating fluid is observed in Replenish the circulating fluid.
the tank.
An insufficient amount of the
circulating fluid is observed in Replenish the circulating fluid.
the tank.
An excessive amount of the
circulating fluid is observed in Drain the circulating fluid.
the tank.
Check the load specification.
The circulating fluid tank was Replacement of the thermal
fuse is required.
raised in temperature.
Call the supplier for service.
The temperature of the
circulating fluid exceeded the Check the load specification.
specified value.
The temperature of the
Reset the setting temperature.
circulating fluid exceeded
your specified value.
HRZ Series