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 rst 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 congured 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 rst
alarm within 24 hours);
otherwise, Manual
10090 Cooler Flow Switch Setpoint Conguration
Failure
Defective ow 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 rst 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 ow switch is
closed (the rst 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 rst 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 re)
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 re)
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
Conguration failure
8000 No factory conguration Initial factory conguration
required
Unit cannot be started Automatic, if conguration is
provided
7001 Illegal factory conguration Number #1 to nn Incorrect unit conguration or
new version of compressor FW
not supported
Unit cannot be started Automatic, if conguration is
corrected
9001 Master chiller conguration error Number #1
to nn
Incorrect master/slave
conguration
Master/Slave assembly
control is disabled and the
unit can operate in
standalone mode
Automatic, if conguration 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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