Troubleshooting - Lauda IN 130 T Operation Manual

10.3

Troubleshooting

Table 43: Process thermostat
Fault
The device cools very slowly or not at all.
The device heats only very slightly or not at all.
Pump level cannot be set.
Degassing functions poorly.
Cooling unit starts several times in quick succession
The cooling unit is in operation for a few minutes, although
no cooling is necessary.
V6
Before informing the LAUDA Service department, please check whether
you can solve the problem with the following instructions.
Integral Process Thermostats and High-Temperature Thermostats
Cause ð Possible remedy
The cooling unit is switched off ð switch on the cooling
n
unit.
The controller output limit is active ð Switch off the
n
controller output limit.
The condenser is contaminated ð Clean the condenser
n
Ä Chapter 9.4 "Cleaning the air-cooled condenser"
on page 142.
The temperature limit value Til is too high ð Reduce
n
the temperature limit value Til.
The controller output limit is active ð Switch off the
n
controller output limit.
The temperature limit value Til is too low ð Increase the
n
temperature limit value Til.
The dynamic heating output restriction is active ð
n
switch off the dynamic heating output restriction.
The maximum heating output is automatically reduced
n
in the lower pump levels ð increase the pump level.
The maximum current consumption of the device is
n
limited ð increase the current consumption.
Pressure control is active ð switch off pressure control
n
(pressure control is switched off if set pressure = 0 bar).
Pressure control is active ð switch off the pressure
n
control.
Pump level is too high ð select a lower pump level.
n
Heating output is too high ð reduce the heating
n
output.
Cooling unit is active ð switch off cooling unit.
n
Heat transfer liquid is heavily contaminated ð change
n
the heat transfer liquid. Empty the device completely
and carry out internal cleaning of the device if required.
The filler nozzle is closed ð remove the tank lid and
n
place it loosely on the filler nozzle.
IN 2560 XTW: Connect the inert gas blanket, with
n
compressed air for pure degassing if necessary.
Normal function (special start), no remedy necessary
n
Normal function (protection function), no remedy nec-
n
essary
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