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83001602.Kf
Error
code
Display view
Type of message
Message description
Cause of the message
Troubleshooting
Reaction of the chiller
618
Flow, pump 2 oper.
Group fault alarm
Flow switch did not
switch through during
the pump operating
phase
Flow too low
Check flow, check shut-off
valves, check the setting of the
reed contact at the flow monitor
Pump 1 & 2 = Consumer pump
- Pump 2 switches off,
- Pump 1 and compressor continue to
run.
Pump 1 = Consumer pump
Pump 2 = Evaporator pump
- Pump 2 and compressor switch off,
- Pump 1 runs up to outlet temperature
Max Stop continues.
Pump 2 = Consumer pump
Pump 1 = Redundant
- Pump 2 switches off,
- Pump 1 switches on.
Alarm is saved.
Manual reset,
619
DI mpcb pump freec.
Group fault alarm
Motor protection switch
has tripped
Motor current above the
permissible range,
Motor runs only on two phases,
direction of rotation,
poor contact at clip points,
Winding fault, earth fault, rotor
blocked.
Check the motor power
consumption, check the
operating point, check the
electrical connection of the
components
all components continue to run
Free cooling is stopped
Fault is stored and must be reset
manually
621
DI compressor 1 mpcb
Group fault alarm
Motor protection switch
has tripped
Motor current above the
permissible range,
Motor runs only on two phases,
direction of rotation,
poor contact at clip points,
Winding fault, earth fault, rotor
blocked.
Check the motor power
consumption, check the
operating point, check the
electrical connection of the
components
Pumps continue to run
the faulty compressor (KK) stops
immediately
the other compressors continue to run
Fault is stored and must be reset
manually
622
DI compressor 2 mpcb Group fault alarm
S.h. MSS Compressor 1 S.h. MSS Compressor 1
S.h. MSS Compressor 1
S.h. MSS Compressor 1
623
DI compressor 3 mpcb Group fault alarm
S.h. MSS Compressor 1 S.h. MSS Compressor 1
S.h. MSS Compressor 1
S.h. MSS Compressor 1
624
DI compressor 4 mpcb Group fault alarm
S.h. MSS Compressor 1 S.h. MSS Compressor 1
S.h. MSS Compressor 1
S.h. MSS Compressor 1