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32
No. Code
Alarm description
Reset type
Action taken
Possible cause
46
10008 Circuit A High Superheat
Manual
Circuit A shuts down
Pressure sensor
defective, EXV blocked
or lack of refrigerant
47
10009 Circuit B High Superheat
Manual
Circuit B shuts down
As above
48
10010 Circuit C High Superheat
Not applicable to this unit
49
10011 Circuit A Low Superheat
Manual
Circuit A shuts down
Pressure sensor
defective, EXV blocked
or lack of refrigerant
50
10012 Circuit B Low Superheat
Manual
Circuit B shuts down
As above
51
10013 Circuit C Low Superheat
Not applicable to this unit
52
10014 Customer Interlock Failure
Automatic (the first alarm
within 24 hours) or Manual
Unit shuts down
Customer interlock
closed
53
10028 Electrical Box Thermostat
Automatic, if the safety
input is closed
Unit shuts down
Electrical box fault:
Control box poorly
ventilated or poor
electrical connection
54
10029 Loss of communication with System
Manager
Automatic, if communication
is re-established
Unit returns to the stand-
alone mode
CCN bus installation
defective
55
10030 Master/Slave communication Failure
As above
Master/slave control disabled As above
56
10067 Circuit A Low Oil Pressure
Manual
Circuit A shuts down
Pressure sensor fault,
defective wiring or oil
filter installation fault
57
10068 Circuit B Low Oil Pressure
Manual
Circuit B shuts down
As above
58
10069 Circuit C Low Oil Pressure
Not applicable to this unit
59
10070 Circuit A Max Oil Filter Differential Pressure Manual
The affected compressor is
stopped, the second
compressor continues to run
Pressure sensor fault,
defective wiring or oil
filter installation fault
60
10071 Circuit B Max Oil Filter Differential Pressure Manual
As above
As above
61
10072 Circuit C Max Oil Filter Differential Pressure Not applicable to this unit
62
10084 Circuit A High Oil Filter Drop Pressure
Manual
Circuit A shuts down
Pressure sensor fault,
wiring defective, oil filter
installation fault
63
10085 Circuit B High Oil Filter Drop Pressure
Manual
Circuit B shuts down
As above
64
10086 Circuit C High Oil Filter Drop Pressure
Not applicable to this unit
65
10075 Circuit A Low Oil level
Automatic (three alarms
within 24 hours) or Manual
Circuit A shuts down
Oil level too low or oil
level detector defective
66
10076 Circuit B Low Oil level
As above
Circuit B shuts down
As above
67
10077 Circuit C Low Oil level
Not applicable to this unit
68
90-nn Master chiller configuration error
Automatic, if master/slave
configuration returns to
normal or the unit returns to
the standalone mode
Master/slave operation is
disabled and the unit returns
to the stand-alone mode
Configuration failure
69
8000
No factory configuration
Automatic, if configuration
is provided
Unit cannot be started
No factory configuration
70
7001
Illegal factory configuration
Automatic, if configuration
is corrected
Unit cannot be started
Incorrect unit
configuration
71
10031 Unit is in CCN emergency stop
Automatic, if operating
conditions return to normal
Unit shuts down
Network emergency stop
command
72
10032 Cooler pump #1 fault
Manual
Unit is restarted with another
pump running. If no pump is
available, the unit shuts down
Pump overheats or poor
pump connection
73
10033 Cooler pump #2 fault
Manual
As above
As above
74
10015 Condenser Flow Switch Failure
Automatic (the first alarm
within 24 hours) or Manual
Condenser pump is stopped Condenser flow switch
open
75
10037 Circuit A High Condensing Out Of Map
compressor
Automatic
Circuit A shuts down
Defective transducer
76
10038 Circuit B High Condensing Out Of Map
compressor
Automatic
Circuit B shuts down
As above
77
10039 Circuit C High Condensing Out Of Map
compressor
Not applicable to this unit
78
10073 Condenser pump #1 fault
Manual
Unit shuts down
Pump overheats or poor
pump connection
79
10074 Condenser pump #2 fault
Not applicable to this unit