HRX-MM-N007
Chapter 3 Alarm Indication and Troubleshooting
3.3 Troubleshooting
HRS Series
3-20
AL02: High circulating fluid discharge temp. [For water-cooled type]
<Detection method> This alarm goes off when the temperature sensor for the circulating fluid (for
discharge) detects 60
o
C or more.
Is AL22 being generated?
Is facility water temperature
higher than 40
o
C?
3.
Is the flow rate of the facility
water incorrect?
1.
Check the facility
water system.
2.
Is facility water
contaminated?
6.
Check the circulating fluid
temperature sensor (PT1).
This system cannot be
used.
Y
N
Y
Y
Y
N
N
N
Y
This system cannot be
used.
7.
Check the circulating fluid
temperature sensor (PT1) after
it is replaced.
8.
Is flow rate of the
circulating fluid less
than 5 L/min?
9.
Check the pump
performance.
10.
Is circulating fluid
contaminated?
Normal
Error
Normal
Error
Y
N
Connect a by-pass piping.
Normal
Error
11.
Check the pressure
sensor in the refrigerant
circuit.
N
Y
N
To the next page
Normal
Error
4.
Is water-cooled condenser
contaminated?
5.
Is external load out
of the specification
range?
Y
This system cannot be used.
Supply clean facility water.
High circulating fluid discharge temp.
[For water-cooled type]
AL02
N
N
Y
Go to "12. Check if the
coolant leaks"on the next
page.
AL22: Circulating fluid
discharge temp. sensor
failure
Replace the main
board.
See section "4.5.16
Replacement of main
board &
communication
board".
Replace the pump.
Water cooled condenser, 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-
Q029 for replacement.
Clean the circulating fluid circuit.
See a document No. HRX-MM-S060 for
cleaning instructions.
See document No. HRX-MM-Q014 for
replacement.
See section "4.5.3 Replacement
of pump (For standard pump)",
and section "4.5.4 Replacement
of high pressure pump".
If contamination with the circulating fluid
circuit cannot be removed by cleaning,
the heat exchanger, which is an
evaporator and a part of the refrigerant
circuit, needs to be replaced. Only a
specialized operator is allowed to handle
the refrigerant circuit.
Содержание HRS012-A*-10-*
Страница 16: ...HRX MM N007 Chapter 2 Name of Parts 2 2 Component Parts HRS Series 2 4...
Страница 136: ...HRX MM N007 Chapter 3 Alarm Indication and Troubleshooting 3 3 Troubleshooting HRS Series 3 120...
Страница 200: ...HRX MM N007 Chapter 4 Service Procedure 4 5 Replacement Procedure HRS Series 4 64...
Страница 220: ...HRX MM N007 Chapter 6 Documents 6 4 Flow chart HRS Series 6 8...