9 - DIAGNOSTICS
Code
Description
Possible cause
Action taken on the unit
Reset type
200nn VFD Pump 2 Drive Failure
As above
As above
As above
370nn VFD Pump 1 Drive Alert
As above
None
Automatic
380nn VFD Pump 2 Drive Alert
As above
None
Automatic
COMPRESSOR FAILURES
6001
Circuit A Welded Contactor Failure
Welded contactor of a compressor Unit shuts down, but the evaporator
pump continues to operate
Manual (only after re-energization
of unit)
6002
Circuit B Welded Contactor Failure
Welded contactor of a compressor Unit shuts down, but the evaporator
pump continues to operate
Manual (only after re-energization
of unit)
1199
Compressor A1 Failure
Compressor fault
Compressor shuts down
Manual
1299
Compressor A2 Failure
Compressor fault
Compressor shuts down
Manual
1399
Compressor A3 Failure
Compressor fault
Compressor shuts down
Manual
1499
Compressor A4 Failure
Compressor fault
Compressor shuts down
Manual
2199
Compressor B1 Failure
Compressor fault
Compressor shuts down
Manual
2299
Compressor B2 Failure
Compressor fault
Compressor shuts down
Manual
2399
Compressor B3 Failure
Compressor fault
Compressor shuts down
Manual
2499
Compressor B4 Failure
Compressor fault
Compressor shuts down
Manual
SOFTWARE MODULE FAILURES
55001
Database Module Failure
Software problem. Contact
Manufacturer Service Agency.
Unit shuts down
Manual
56001
Lenscan Module Failure
Software problem. Contact
Manufacturer Service Agency.
Unit shuts down
Manual
SIOB BOARD FAILURES
57001
Circuit A SIOB Low Voltage Failure
Unstable electrical supply or
electrical issue
Unit shuts down
Automatic (if voltage returns to
normal and the alarm occurred
up to 6 times in the last 24h);
otherwise, Manual
57002
Circuit B SIOB Low Voltage Failure
Unstable electrical supply or
electrical issue
Unit shuts down
Automatic (if voltage returns to
normal and the alarm occurred
up to 6 times in the last 24h);
otherwise, Manual
57006
EMM SIOB Low Voltage Failure
Unstable electrical supply or
electrical issue
Unit shuts down
Automatic (if voltage returns to
normal and the alarm occurred
up to 6 times in the last 24h);
otherwise, Manual
EXV FAILURE
57020
Main EXV stepper motor failure - cir A
EXV motor fault
Circuit A shuts down
Manual
57021
Main EXV stepper motor failure - cir B
EXV motor fault
Circuit B shuts down
Manual
57023
EXV eco stepper motor Failure - cir A
EXV motor fault
Circuit A shuts down
Manual
57024
EXV eco stepper motor Failure - cir B
EXV motor fault
Circuit B shuts down
Manual
COMMUNICATION FAILURES
10029
Loss of Communication With System
Manager
Communication error
Unit returns to the standalone
mode
Automatic, if communication with
System Manager is restored
REPLACEMENT MODE: SOFTWARE ACTIVATON KEY(S) MISSING
10122
Replacement Mode: please contact
service representative to activate
options
CONNECT TOUCH controller was
replaced, but Software Activation
Key is not installed
Replacement Mode: Please
contact a service representative to
obtain activation key(s) to retrieve
(or activate) software options
Automatic, if Software Activation
Key is installed
Automatic, if Software Activation Key
is not provided within 7 days since
the first compressor start (the alarm
will be reset and software-protected
options will be blocked)
DRY COOLER FREE COOLING (DCFC) FAILURES
15046
DC Free Cooling Water Loop
Thermistor Failure
Defective thermistor
Dry cooler free cooling is disabled Automatic, if thermistor reading
returns to normal
15047
DC Free Cooling Leaving Water
Thermistor Failure
As above
No action (alert)
As above
15048
DC Free Cooling OAT Sensor Failure
As above
Dry cooler free cooling is disabled As above
4601
Loss of communication with DC Free
Cooling Board
Bus installation fault,
communication error
Dry cooler free cooling is disabled Automatic, if communication is
re-established
10101
DC Free Cooling Process Failure
Dry cooler free cooling inefficient
Dry cooler free cooling is disabled Automatic, if OAT is above the
service-configured threshold or DC
free cooling capacity is below 100%
NOTE:
When the "action taken" given in the table above is defined as "none", it means that the alarm message is displayed, but
no action is taken on the unit.
AQUACIAT
POWER
EN-52
