Troubleshooting - HP Indigo press 3050 User Manual

Troubleshooting

In the following table, the possible causes for an alarm are given, together with their
solution.
Default
Alarm due to high
pressure of the
refrigerant
Alarm due to low
pressure of the
refrigerant
Water level alarm
Low flow/temperature
control operates
continuously (see
'Control panel' on page
264)
266 Chapter 19 Chiller
Cause Solution
Lateral panels of the Close the panels.
housing open
Low airflow into the Clean the condenser.
condenser
The ambient Wait until the ambient
temperature is too high temperature is lower.
The water temperature Try to cool down the
is too high water in the circuit by
running the chiller with
the application stopped.
The motor fan is not Check the motor fan
working fuses. If the problem
persists, contact your
HP Indigo service
center.
Gas leakage Contact your HP Indigo
service center
Water leakage Check the water circuit,
and refill the tank.
Water circuit blocked Clean the water circuit,
and check for closed
valves in the circuit.
Possible freezing Check the proportion of
ethylene glycol.
CIrcuit break in the Reset the circuit
pump breaker of the pump. If
the problem persists,
contact your HP Indigo
service center.
Restart procedure
Disconnect the chiller
(On/Off and main
power switches both
off—see 'Control panel'
on page 264). 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.
The low pressure safety
switch (SLP)
automatically resets
itself when the pressure
returns to normal.
The level switch
automatically resets
itself when there is
enough water in the
tank.
The control will go back
to normal operation
when the problem is
solved.
ENWW