HRX-MM-N007
Chapter 3 Alarm Indication and Troubleshooting
HRS Series 3.3 Troubleshooting
AL28: Maintenance of pump
<Detection method> This alarm goes off when the accumulated operating time of the pump reaches
20,000 hours.
This alarm is generated as a note for the recommended
replacement timing of the circulating fluid pump.
Refer to "Method of resetting accumulated time reset function"
shown in Operation Manual for how to reset the alarm.
Pump maintenanceAL28
See section "4.5.3 Replacement of pump (For standard pump)",
and section "4.5.4 Replacement of high pressure pump".
AL29: Maintenance of fan motor [For air-cooled type]
<Detection method> This alarm goes off when the accumulated operating time of the fan motor reaches
20,000 hours.
This alarm is generated as a note for the recommended
replacement timing of the fan motor.
Refer to "Method of resetting accumulated time reset function"
shown in Operation Manual for how to reset the alarm.
Fan motor maintenanceAL29
See section "4.5.6 Replacement of fan".
AL30: Maintenance of compressor
<Detection method> This alarm goes off when the accumulated operating time of the compressor
reaches 50,000 hours.
This alarm is generated as a note for the recommended
replacement timing of the compressor that is a part of the
refrigerant circuit.
Refer to "Method of resetting accumulated time reset function"
shown in Operation Manual for how to reset the alarm.
Only a specialized operator is allowed to handle the refrigerant
circuit to replace the compressor.
Compressor maintenanceAL30
Refer to HRX-MM-Q013 and HRX-MM-Q025 for replacement.
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