SMC Networks HRS012-A-10 Series Service Manual page 66

HRX-MM-N007
Chapter 3 Alarm Indication and Troubleshooting
"t3: Suction temperature of the compressor" ˂ "t2: Circulating fluid return temperature" -5
e.g. (Normal) t2: 21.5, t3: 23.8, (Abnormal) t2: 21.5, t3: 15.5
After stopping power supply, check for the same alarm goes off again when the
7.
chiller is re-started.
After stopping power supply (by tuning off the power supply switch of the Thermo-Chiller), check if
the same alarm goes off again when the Thermo-Chiller is restarted.
3.3 Troubleshooting
3-50
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HRS Series