SMC Networks HRS012-A-10 Series Service Manual page 73

10.
Check the pressure sensor
in the refrigerant circuit.
12.
Check for an input to
the pressure sensor in the
refrigerant circuit.
Normal
13.
Check the display
of the pressure sensor (for
high pressure) in the
refrigerant circuit.
Normal
14.
Check the display of
the pressure sensor (for low
pressure) in the refrigerant
circuit.
Normal
To the previous page
Go to step "11. After stopping the
power supply, the same alarm
goes off again when the chiller is
restarted."
HRS Series
To the previous page
Normal Go to step "11. After stopping the
power supply, the same alarm
goes off again when the chiller is
restarted."
Error
Error
Error Check the analogue
output of the the pressure sensor
(for high pressure) in the
refrigerant circuit.
Refrigerant circuit pressure
sensor (for high pressure) needs
to be replaced. Only a
specialized operator is allowed
to handle the refrigerant circuit.
See document No. HRX-MM-
S029 for replacement.
Error
Check the analogue
output of the the pressure sensor
(for low pressure) in the
refrigerant circuit.
Refrigerant circuit pressure
sensor (for low pressure), 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-
S029 for replacement.
Chapter 3 Alarm Indication and Troubleshooting
15.
Replace the main board.
Error
See section "4.5.16
Replacement of main board
& communication board".
Normal
16.
Error
Normal
HRX-MM-N007
3.3 Troubleshooting
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