Carrier AquaForce 61XWHZE Control Manual page 47

8 - DIAGNOSTICS
Jbus
Code Alarm description
code
49 10011 Circuit A Low Superheat
50 10012 Circuit B Low Superheat
Customer Interlock Failure
52 10014
(applies to units with EMM option)
53 10028 Electrical Box Thermostat
54 10029 Loss of communication with System Manager
55 10030 Master/Slave communication Failure
56 10067 Circuit A Low Oil Pressure
57 10068 Circuit B Low Oil Pressure
59 10070 Circuit A Max Oil Filter Differential Pressure
60 10071 Circuit B Max Oil Filter Differential Pressure
62 10084 Circuit A High Oil Filter Drop Pressure
63 10085 Circuit B High Oil Filter Drop Pressure
65 10075 Circuit A Low Oil level
66 10076 Circuit B Low Oil level
Configuration failure
68 9001 Master/Slave configuration error
69 8000 Initial factory configuration required
70 7001 Illegal configuration
105 8001 Illegal Brand Identifier
Process failure and other (cont.)
71 10031 Unit is in CCN emergency stop
72 10032 Cooler pump #1 fault
73 10033 Cooler pump #2 fault
74 10015 Condenser Flow Switch Failure
Circuit A High condensing temperature out of map
75 10037
compressor
Circuit B High condensing temperature out of map
76 10038
compressor
80 10078 Circuit A High Discharge Gas Temperature
81 10079 Circuit B High Discharge Gas Temperature
Circuit A Low economizer pressure or Suction
83 10081
valve closed
Circuit B Low economizer pressure or Suction
84 10082
valve closed
86 10087 Circuit A Slide Valve Control Unverifiable
87 10088 Circuit B Slide Valve Control Unverifiable
89 10090 Cooler Flow Switch Setpoint Configuration Failure
Possible cause Action taken
As above Circuit A shuts down
As above Circuit B shuts down
Customer interlock closed Unit shuts down
Electrical box fault:
Control box poorly
Unit shuts down
ventilated or poor
electrical connection
CCN bus installation Unit returns to the
defective stand-alone mode
Communication between
Master/slave control
the Master and the Slave
disabled
unit is lost
Pressure sensor fault,
defective wiring or oil filter Circuit A shuts down
installation fault
As above Circuit B shuts down
The affected
compressor is stopped,
As above
the second compressor
continues to run
As above As above
As above Circuit A shuts down
As above Circuit B shuts down
Oil level too low or oil
Circuit A shuts down
level detector defective
As above Circuit B shuts down
Master/slave operation
is disabled and the unit
Configuration failure
returns to the stand-
alone mode
No factory configuration Unit cannot be started
Incorrect unit configuration Unit cannot be started
Incorrect unit configuration Unit cannot be started
Network emergency stop
Unit shuts down
command
Unit is restarted with
Pump overheats or poor another pump running.
pump connection If no pump is available,
the unit shuts down
As above As above
Condenser flow switch is Condenser pump is
open stopped, Unit shuts down
Defective transducer None (alert)
As above None (alert)
Defective transducer, max.
condensing temperature
Circuit A shuts down
setpoint too low or
refrigerant charge too high
As above Circuit B shuts down
Economizer pressure
transducer defective, Circuit A shuts down
suction valve fault
As above Circuit B shuts down
Defective or incorrectly
wired solenoid valves,
None (alert)
defective current
transformer
As above None (alert)
Defective flow controller Unit is not allowed to
or wiring error start
Reset type
Manual
Manual
Automatic (the first alarm
within 24 hours) or Manual
Automatic, if the safety
input is closed
Automatic, if communication
is re-established
Automatic, if communication
is re-established
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Automatic, if master/slave
configuration returns to
normal or the unit returns
to stand-alone mode
Automatic, if configuration
is provided
Automatic, if configuration
is corrected
Automatic, if configuration
is corrected
Automatic, if operating
conditions return to normal
Manual
Manual
Automatic (the first alarm
within 24 hours); otherwise
Manual
Automatic
Automatic
Manual
Manual
Manual
Manual
Manual
Manual
Manual
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