85 / 97
83001602.Kf
Error
code
Display view
Type of message
Message description
Cause of the message
Troubleshooting
Reaction of the chiller
356
Temp. cooling water On
Max STOP
Group fault alarm
Maximum inlet
temperature
Cooling water circuit
exceeded
Cooling water circuit does not
work,
no cooling water is provided.
Check cooling water production;
check cooling water circuit,
check pump, flow.
System switches off immediately
357
Temp. cooling water On
Min STOP
Group fault alarm
Minimum inlet
temperature
Cooling water circuit
undercut
Cooling water circuit does not
work,
the water provided is too cold,
ambient temperature too low.
Check cooling water production;
check cooling water circuit,
check pump, flow.
System switches off immediately
361
Min tank level STOP
Group fault alarm
Level in tank is below
the minimum.
Level in the tank is too low,
Level sensor soiled or defective
Fill tank,
Check the function of the tank
sensor.
Chiller switches off immediately.
Alarm is saved.
Manual reset.
371
Coldwater press STOP
Group fault alarm
Cold water pressure at
the evaporator is too
low.
External slide is closed,
Filter soiled,
Air in the system.
Open external slide,
Clean filter,
Vent the system.
Compressors switch off immediately.
Pump 1 & 2 consumer pump
Pumps continue to run.
Pump 1 = Consumer pump
Pump 2 = Evaporator pump
Pump 1 continues to run.
Pump 2 switches off.
Pump 1 = Consumer pump
Pump 2= Redundant
The required pump continues to run.
Alarm is saved,
manual reset.
379
Pr.exp.vess.min Stop
Group fault alarm
Pump intake pressure is
below the set setpoint
Diaphragm expansion vessel
defective
Quantity of water in the closed
pipe system is too low.
Top-up water
Chiller switches off immediately.
Alarm is saved.
Manual reset.
381
Press pump 1 max STOP
Group fault alarm
Pressure of the liquid
outlet pressure too high
External slide is closed,
Filter soiled,
Open external gate valve, clean
filter, check overflow valve
setting
Pump switches off immediately.
Alarm is saved.
Manual reset.
382
Press pump 1 min STOP
Group fault alarm
Pressure of the liquid
outlet pressure too low
Flow rate too high, chiller
resistance too low,
Air in the system
Reduce flow rate, increase chiller
resistance, vent the system
Pump switches off immediately.
Alarm is saved.
Manual reset.
385
Pump pressure 2 Max
STOP
Group fault alarm
Refrigerant outlet
pressure is too high.
External slide valve closed;
filter soiled.
Open external slide valve, clean
filter, check the overflow valve
setting
Pump shuts down immediately. Alarm
is saved, manual reset.
386
Pump pressure 2 Min
STOP
Group fault alarm
Refrigerant outlet
pressure is too low.
Flow rate too high, chiller
resistance too low, air in the
system.
Reduce the flow rate, increase
the chiller resistance, vent
system
Pump shuts down immediately. Alarm
is saved, manual reset.
