165
ALARM CODES
INSTALLATION
7.2
Alarm codes
Each alarm has a code associated to a particular error. The alarm codes are shown in the Alarm Reset menu, whereas Current
Alarms menu and Alarm History menu include the alarm description.
The table lists the alarm codes, their cause and possible solution.
CODE
NAME
DESCRIPTION
RESET
ACTION TAKEN
POSSIBLE CAUSE
4601
AUX1_COM_F
Loss of communication
with AUX1 Board
Automatic, if the com-
munication is restored
− The unit turns off
− Bus installation error,
communication error
4602
FC_AUX1_COM_F
Loss of communica-
tion with Free Cooling
Board 1
Automatic, if the com-
munication is restored
− Free cooling stops
− Bus installation error,
communication error
4901
SIOB_CIR_A_
COM_F
Loss of communication
with Number A SIOB
Board
Automatic, if the com-
munication is restored
− Circuit A is turned off
− Bus installation error,
communication error
4902
SIOB_CIR_B_
COM_F
Loss of communication
with Number B SIOB
Board
Automatic, if the com-
munication is restored
− Circuit B is turned off
− Bus installation error,
communication error
4903
HH_SIOB_F
Loss of communication
with Number 3 SIOB
Board
Automatic, if the com-
munication is restored
− The unit turns off
− Bus installation error,
communication error
7001
ILL_FACT_CON-
F_F
Configuration not al-
lowed
Manual
− The unit turns off
− Unit size has been
configured with the
wrong value
8000
INI_FACT_CON-
F_F
Initial factory configu-
ration required
Automatic, if the con-
figuration is entered
− The unit turns off
− The unit size has not
been configured
9001
M_S_CONFIG_F
Configuration error of
master chiller
Automatic, if the mas-
ter/slave configuration
returns to normal
− Master/slave mode is
stopped
− Master/slave configu-
ration error
10001
COOLER_
FREEZE_F
Water exchanger an-
ti-freeze protection
Automatic (first alarm
in the last 24 hours) or
Manual
− The unit turns off, the
pump of the water
exchanger is running
− No water flow, faulty
thermistor
10005
LOW_SUC-
TION_A_F
Circuit A low saturated
suction temperature
Automatic (first alarm
in the last 24 hours) or
Manual
− Circuit A is turned off
− Faulty pressure trans-
ducer, EXV lockout or
refrigerant is missing
10006
LOW_SUC-
TION_B_F
Circuit B low saturated
suction temperature
Automatic (first alarm
in the last 24 hours) or
Manual
− Circuit B is turned off
− Faulty pressure trans-
ducer, EXV lockout or
refrigerant is missing
10008
HIGH_SH_A_F
Circuit A High Overheat-
ing
Manual
− Circuit A is turned off
− Faulty pressure trans-
ducer, faulty tem-
perature sensor, EXV
lockout or refrigerant
is missing
10009
HIGH_SH_B_F
Circuit B High Overheat-
ing
Manual
− Circuit B is turned off
− Faulty pressure trans-
ducer, faulty tem-
perature sensor, EXV
lockout or refrigerant
is missing
10011
LOW_SH_A_F
Circuit A low overheat-
ing
Manual
− Circuit A is turned off
− Faulty pressure trans-
ducer, faulty tem-
perature sensor, EXV
lockout or refrigerant
is missing
10012
LOW_SH_B_F
Circuit B low overheat-
ing
Manual
− Circuit B is turned off
− Faulty pressure trans-
ducer, faulty tem-
perature sensor, EXV
lockout or refrigerant
is missing
10014
COOLER_LOCK_F
Exchanger Interlock
fault
Automatic (if the unit
was stopped) or Man-
ual
− The unit turns off
− Customer interlock
input setting
10016
CPA1_REVERSE_
ROT_F
Compressor A1 not
started or Pressure
increase not set
Manual
− Compressor A1 is
turned off
− Faulty switch or open
compressor switch
fuse
10017
CPA2_REVERSE_
ROT_F
Compressor A2 not
started or Pressure
increase not set
Manual
− Compressor A2 is
turned off
− Faulty switch or open
compressor switch
fuse
Summary of Contents for 20120391
Page 93: ...93 PANORAMICA DEI PARAMETRI INSTALLAZIONE ...
Page 169: ...169 ALARM CODES INSTALLATION ...
Page 185: ...185 OVERVIEW OF THE PARAMETERS INSTALLATION ...
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Page 187: ......