SMC Networks HRS012-A*-10-*, Руководство по обслуживанию

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HRX-MM-N007
Chapter 3 Alarm Indication and Troubleshooting
3.3 Troubleshooting HRS Series
3-46
AL10: High compressor intake temp.
<Detection method> This alarm goes off when the compressor intake temperature sensor detects 60
o
C
or more.
Is AL05 being generated?
Y
N
Refer to "AL05: High
circulating fluid return temp.".
Is AL24 being generated?
Y
Refer to section "AL24:
Compressor intake temp.
sensor failure".
N
Is circulating fluid temperature
higher than 45
o
C? 2.
Check the external piping.
Remove any causes of the
problems.
N
Normal
Error
High compressor intake
temp.
AL10
See "AL02: High circulating
fluid discharge temp."
Y
1.
Is external load out of the
specification range?
This system cannot be used.
Y
3.
Is flow rate of the circulating
fluid less than 5 L/min?
4.
Check the pump
performance.
Y
Connect a by-pass piping.
N
5.
Check the compressor
intake temp. sensor.
6.
Check the compressor
intake temp. sensor after
replacement.
7.
After stopping the power
supply, does the same alarm go off
again when the chiller is
restarted?
Please contact SMC or distributor.
N
Y
Normal
Error
N
Normal
Error
Error
Normal
Replace the pump.
See section "4.5.3
Replacement of pump (For
standard pump)", and section
"4.5.4 Replacement of high-
lift pump".
Replace the main board.
See section "4.5.16
Replacement of main board
& communication board".
Electronic expansion valve,
which is a part of the refrigerant
circuit, needs to be replaced.
Only a specialized operator is
allowed to handle the
refrigerant circuit.
See document No. HRX-MM-
Q016 for replacement.