OPERATING AND MAINTENANCE MANUAL
Chapter 10 - Trouble shooting
TAEevo Tech MINI 02÷10
28
The data in this manual are not binding and they can be modified by the manufacturer without notice.
Reproduction of this manual is strictly prohibited
ENGLISH
EN
C
HAPTER
10
T
ROUBLE
SHOOTING
PROBLEM
CAUSE
SYMPTOM
REMEDY
A
Water temperature higher
than the expected value.
A1
Thermal load too high.
A1.1
Water temperature
higher than expected
value.
Restore the thermal load to
within the preset limits.
A2
Ambient temperature too
high.
A2.1
See A1.1
Restore the ambient
temperature to within the
preset limits.
A3
Condenser fins dirty and/
or filter blocked.
A3.1
See A1.1
Clean the condenser fins.
A4
Front surface of the
condenser obstructed.
A4.1
See A1.1
Free the front surface of the
condenser.
A5
No refrigerant fluid in the
plant.
A5.1
• See A1.1;
• low evaporation pressure.
Get a technician to check for
leaks and eliminate them.
Fill the plant.
B
Probe (-BT1) faulty.
B1
Probe faulty or parameters
out of range.
B1.1
Message P1 appears.
Check or renew the probe.
C
Low water pressure at
pump outlet.
C1
Clearance between the
impeller and the pump
casing too high. Wear
parts.
C1.1
Low water pressure at
pump outlet.
Verify and replace the pump
impeller.
D
The unit is obstructed and
the water does not flow.
D1
Setpoint too low so that
the water freezes.
D1.1
• Water does not pass;
• intake pressure too low.
Choose between:
• raise the set point;
• add an appropriate % of
ethylene glycol (antifreeze)
(see Chapter 5
“Installation“).
D2
Evaporator obstructed by
dirt carried by the water to
be cooled.
D2.1
High water temperature
difference between inlet
and outlet.
Depending on the type of dirt:
• clean the evaporator by
running a detergent
solution which is not
aggressive for steel,
aluminium and copper;
• run a high water flow
against the stream.
Install a filter upstream from
the chiller.
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