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12
6
Troubleshooting
6 Troubleshooting
In the following chart the possible causes for an alarm are given together with their
solution
:
DEFAULT CAUSE
SOLUTION
RESTART
PROCEDURE
Alarm due to high
pressure of the
refrigerant
Lateral panels of
the housing open
Low airflow into
the condensor
The ambient
temperature is too
high
Water temperature
too high
Motor fan not
working
Close the panels
Clean the condensor
Wait until the ambient
temperature is lower
Try to cool down the
water in the circuit
running the chiller with
the application stopped
Check the motor fan
fuses. If the problem
persists contact
authorised technical
service.
Disconnect the chiller
(On/Off and Main power
switch both Off, see point
4). Open the front panel of
the chiller and reset the
High-pressure safety
switch (SHP) by pressing
its button. Turn both the
Main power switch and the
On/Off switch back on.
Alarm due to low
pressure of the
refrigerant
Gas leakage
Contact authorised
technical service.
The Low-pressure safety
switch (SLP) automatically
resets itself when the
pressure is back to normal
Water level alarm
Water leakage
Check the water circuit
and refill the tank.
The level switch
automatically resets itself
when there is enough
water in the tank
UC-140 I
NDI
GO
50/
60Hz 29.
01.
03
rev
. 0
