30
code
Alarm
code
Alarm description Reset type Action taken
66 10031 Emergency stop Automatic Unit shuts down
Network emergency
stop command
67 10032 Evaporator pump 1 fault Manual Unit shuts down
Pump overheats or
poor pump connection
68 10033 Evaporator pump 2 fault Manual Unit shuts down As above
69 10037 High condensing temperature, circuit A Manual Circuit A shuts down Defective transducer
70 10038 High condensing temperature, circuit B Manual Circuit B shuts down As above
71 10050 Refrigerant leak detection Automatic None
Refrigerant leak or leak
detector defective
54 10067 Low oil pressure, circuit A
Automatic (three alarms in
the last 24 hours) or Manual
Circuit A shuts down
Pressure sensor fault,
defective wiring or oil
lter installation fault
55 10068 Low oil pressure, circuit B As above Circuit B shuts down As above
56 10070 Maximum oil lter dierential pressure, circuit A Manual Circuit A shuts down As above
57 10071 Maximum oil lter dierential pressure, circuit B Manual Circuit B shuts down As above
60 10075 Low oil level, circuit A
Automatic (three alarms in
the last 24 hours) or Manual
Circuit A shuts down
Oil level too low or oil
level detector defective
61 10076 Low oil level, circuit B As above Circuit B shuts down As above
74 10078 High discharge gas temperature, circuit A Manual Circuit A shuts down
Defective transducer,
max. condensing
temperature setpoint
too low or refrigerant
charge too high
75 10079 High discharge gas temperature, circuit B Manual Circuit B shuts down As above
76 10081 Suction valve closed, circuit A Manual Circuit A shuts down
Economizer pressure
transducer defective,
suction valve fault
77 10082 Suction valve closed, circuit B Manual Circuit B shuts down As above
58 10084 High oil lter drop pressure, circuit A Manual None
Pressure sensor fault,
wiring defective, oil
lter installation fault
59 10085 High oil lter drop pressure, circuit B Manual None As above
80 10097 Water exchanger temperature sensors swapped Manual Unit shuts down
Leaving water
temperature is higher
than entering water
temperature
81 10101 High condensing temperature, circuit A Manual Circuit A shuts down
Defective transducer,
SST too high
82 10102 High condensing temperature, circuit B Manual Circuit B shuts down As above
83 13nnn Service maintenance alert Manual None
Preventive maintenance
date has passed
84 17nnn Compressor variable speed controller error, circuit A Manual Circuit A shuts down
Speed controller fault
(see section 7.6.2)
85 18nnn Compressor variable speed controller error, circuit B Manual Circuit B shuts down As above
86 20nnn Fan A1 variable speed controller error Manual Circuit A shuts down As above
87 21nnn Fan A2 variable speed controller error Manual Circuit A shuts down As above
88 22nnn Fan A3 variable speed controller error Manual Circuit A shuts down As above
89 23nnn Fan B1 variable speed controller error Manual Circuit B shuts down As above
90 24nnn Fan B2 variable speed controller error Manual Circuit B shuts down As above
91 25nnn Fan B3 variable speed controller error Manual Circuit B shuts down As above
92 35nnn Compressor variable speed controller alert, circuit A Automatic None
Speed controller alert
(see section 7.6.2)
93 36nnn Compressor variable speed controller alert, circuit B Automatic None As above
94 38nnn Fan A1 variable speed controller error Automatic None As above
95 39nnn Fan A2 variable speed controller error Automatic None As above
96 40nnn Fan A3 variable speed controller error Automatic None As above
97 41nnn Fan B1 variable speed controller error Automatic None As above
98 42nnn Fan B2 variable speed controller error Automatic None As above
99 43nnn Fan B3 variable speed controller error Automatic None As above
100 1101 Compressor A fault: High motor temperature Manual Circuit A shuts down
Defective wiring, open
high pressure switch
101 2101 Compressor B fault: High motor temperature Manual Circuit B shuts down As above
102 1103 Compressor A fault: High pressure switch Manual Circuit A shuts down As above
103 2103 Compressor B fault: High pressure switch Manual Circuit B shuts down As above
104 55001 Database module fault Manual Unit shuts down
Software problem.
Contact Carrier Service
105 56001 Lenscan module fault Manual Unit shuts down
Software problem.
Contact Carrier Service
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