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Code
Description
Possible cause
Action taken
Reset type
10005
Circuit A Low Suction Temperature
Pressure sensor defective,
EXV blocked or lack of
refrigerant
Circuit A shuts down
Automatic (the first alarm
within 24 hours); otherwise,
Manual
10006
Circuit B Low Suction Temperature
As above
Circuit B shuts down
As above
10105
Maximum condensing Leaving water temp
Leaving water temperature is
above the configured threshold
Unit shuts down
Automatic, if conditions
return to normal
10014
Customer Interlock Failure
Customer interlock is open
Unit shuts down
Automatic, if customer
interlock is closed (the first
alarm within 24 hours);
otherwise, Manual
10090
Cooler Flow Switch Setpoint Configuration
Failure
Defective flow controller or
wiring error
Unit is not allowed to start
Manual
10091
Cooler Flow Switch Failure
Flow switch fails to close within
the off to on delay
Cooler pump is stopped
Automatic (the first alarm
within 24 hours); otherwise,
Manual
Flow switch is open
Unit shuts down
Manual
10015
Condenser Flow Switch Failure
Flow switch is open
Unit shuts down
Automatic, if flow switch is
closed (the first alarm within
24 hours); otherwise,
Manual
10028
Electrical Box Thermostat Failure
Electrical box thermostat input
is open
Unit shuts down (in order to
limit heat in the control box)
Automatic (the first alarm
within 24 hours); otherwise,
Manual
10030
Master/Slave communication Failure
Connection lost with slave unit Units are returning to
standalone mode
Automatic when
communication is recovered
10031
Unit is in Network emergency stop
Network emergency stop
command
Unit shuts down
Automatic, if emergency
stop is deactivated
10032
Cooler pump #1 fault
Flow switch or water pump fault
Unit shuts down
Manual
10050
Refrigerant Leakage Detection
Refrigerant escape
No action (warning only)
Automatic, if voltage reading
returns to normal
10073
Condenser pump #1 fault
Water pump fault
Unit shuts down
Manual
10097
Cooler water exchanger Temperature
Sensors Swapped
Water temperature sensors
swapped
Unit shuts down
Manual
10102
Condenser water exchanger Temperature
Sensors Swapped
Water temperature sensors
swapped
Unit shuts down
Manual
10098
Discharge pressure sensors swap
Pressure sensors swapped
Unit shuts down
Manual
10099
Suction pressure sensors swap
Pressure sensors swapped
Unit shuts down
Manual
10063
Circuit A Internal safety chain open (HP,
Doors, Power)
One of the high pressure
switches is open, electrical
wiring issue, door is open,
circuit breaker is open, pressure
is higher than HP safety
(service valve closed or fire)
Unit shuts down
Manual, HP switch must be
reset manually as well
10064
Circuit B Internal safety chain open (HP,
Doors, Power)
One of the high pressure
switches is open, electrical
wiring issue, door is open,
circuit breaker is open, pressure
is higher than HP safety
(service valve closed or fire)
Unit shuts down
Manual, HP switch must be
reset manually as well
10101
Free Cooling Process Failure
Dry cooler fault
Free Cooling continued to
work partially, and
compressor stages are
allowed to start
Automatic, if operating
conditions return to normal
10216
Wrong wiring main switch A
Contactor is closed, but high
pressure switch is opened
Circuit A shuts down
Manual
10217
Wrong wiring main switch B
As above
Circuit B shuts down
Manual
10218
Electrical fault A
Contactor is open, but it is
commanded to be closed;
wiring issue, short circuit; visual
check of the electrical cabinet
internal state is mandatory
Circuit A shuts down
Manual
10219
Electrical fault B
As above
Circuit B shuts down
Manual
Configuration failure
8000
No factory configuration
Initial factory configuration
required
Unit cannot be started
Automatic, if configuration is
provided
7001
Illegal factory configuration Number #1 to nn Incorrect unit configuration or
new version of compressor FW
not supported
Unit cannot be started
Automatic, if configuration is
corrected
9001
Master chiller configuration error Number #1
to nn
Incorrect master/slave
configuration
Master/Slave assembly
control is disabled and the
unit can operate in
standalone mode
Automatic, if configuration is
corrected or the unit is not in
Master operating type
Service Maintenance
13001
Service maintenance alert Number # nn
Servicing action required
No action (warning only)
Manual
13005
Fgas check needed, call your maintenance
company
Maintenance date passed
No action (warning only)
Manual
9 - DIAGNOSTICS
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