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83001602.Kf
Error
code
Display view
Type of message
Message description
Cause of the message
Troubleshooting
Reaction of the chiller
302
Temp. outlet 2 Max
Warn
Group warning
Outlet temperature of
the refrigerant circuit is
approaching the upper
limit.
Thermal overload, no cooling,
cooling valve does not work;
cooling valve configured
incorrectly.
Check cooling output, check
function of the refrigerant circuit,
check cooling valve, check
configuration of cooling valve.
All components continue running,
warning is saved, manual reset.
304
Temp. cooling water On
Max Warn
Group warning
Inlet temperature of the
cooling water circuit is
approaching the upper
limit.
Cooling water circuit does not
work; no cooling water is
supplied.
Check cooling water generation;
check cooling water circuit,
pump, check flow
0
312
Min tank level warning
Group warning
Level in the tank is
approaching the
minimum design limit.
Level in the tank is too low,
level sensor in the tank is
defective.
Fill tank,
Check the function of the tank
sensor in the tank
All components continue to run,
Alarm is saved,
Manual reset.
313
EV refill time limit
Group fault alarm
The solenoid valve of
the tank refill does not
close within the
specified time.
The freshwater supply is
interrupted.
Check the function of the
solenoid valve tank refill.
Open the shut-off devices
integrated in the supply line.
Check the supply line for
leakage.
Solenoid valve for tank refill closes.
All other components continue to run,
Alarm is saved,
Manual reset.
321
Coldwater press warning Group warning
The refrigerant pressure
at the evaporator is
approaching the
minimum or maximum
limit
External slide is closed,
filter soiled,
air in the system.
Open external slide valve,
clean the filter,
vent the system.
All components continue to run,
alarm is saved,
manual reset.
325
Pressure exp. Vess. min.
warn.
Group warning
Suction pressure of the
pump is below the
setpoint value
Water quantity in the closed
pipe system too small,
pressure in the expansion tank
incorrectly set,
expansion vessel defective.
Refill water
All components continue to run,
alarm is saved,
manual reset.
326
Press pump 1 min
warning
Group warning
The pump's pressure is
approaching the
minimum limit
Flow rate too high, chiller
resistance too low,
Air in the system
Reduce flow rate, increase chiller
resistance, vent the system
All components continue to run,
Alarm is saved,
Manual reset.
327
Press pump 2 min
warning
Group warning
The pump's pressure is
approaching the
minimum limit
Flow rate too high, chiller
resistance too low,
Air in the system
Reduce flow rate, increase chiller
resistance, vent the system
All components continue to run,
Alarm is saved,
Manual reset.
328
Pressure cooling water
On Min Warn
Group warning
The cooling water inlet
pressure at the heat
exchanger is too low
0
0
0
