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83001602.Kf
Error
code
Display view
Type of message
Message description
Cause of the message
Troubleshooting
Reaction of the chiller
636 DI fault fan ESS
Group fault alarm Internal monitoring
of the fan triggered.
Motor runs only on two
phases, direction of
rotation,
poor contact at terminals,
short circuit of windings,
earth fault, rotor blocked.
Check the motor current
consumption, check the
electrical connection of the
components, check for
mechanical blocking.
All components continue
running Freecooling is stopped
alarm is saved. manual reset,
641
DI mpcb tank heating
Group fault alarm
Circuit breaker has
tripped.
Current above the permissible
range,
poor contact at clip points due
to soiling or corrosion,
Short-circuit between the
heating rods, earth fault.
Check the electrical connection
to the components, test for short
to earth
all components continue to run
Tank heater is deactivated
Fault is stored and must be reset
manually
642
644
DI STP tank heating
Group fault alarm
Safety temperature
limiter of the tank
heating has tripped
Tank temperature is too high,
no water in tank,
Trigger point of STP incorrectly
set.
Check the tank temperature,
check the level, check the
tripping point of the STP
all components continue to run
Tank heater is deactivated
Fault is stored and must be reset
manually
Attention: Make sure that the cause of the fault has been eliminated before resetting fault messages.
Frequent resetting of fault signals without remedying the cause can cause permanent damage to the
system!
