Integral XT
138
Maintenance
YAWE0028 / 24/06/2016
9.4
Remedying faults
Before you contact the LAUDA Service Constant Temperature Equipment (
þ
9.5), check whether the prob-
lem can be remedied with the following instructions:
a)
Process thermostats
Fault
Possible remedy
Device does not cool or only very slowly.
1. The module "Smart Cool" is set to "off"
à
Switch on "Smart Cool" module (
þ
2. Actuating signal limitation is active
à
Switch
off actuating signal limitation (
þ
3. Dirty condenser
à
clean condenser (
þ
4. Temperature limit Til too high.
à
Reduce tem-
perature limit Til (
þ
Device does not heat up or only very slowly.
1. Actuating signal limitation is active
à
Switch
off actuating signal limitation (
þ
2. Temperature limit Tih too low
à
Increase tem-
perature limit Tih (
þ
3. Dynamic heating power limit active
à
Switch
off dynamic heating power limit (
þ
4. At small pump levels the heating power is reg-
ulated automatically by the dynamic heating
power control.(
þ
à
increase pump
level.
Pump levels cannot be set.
1. Pump pressure control is active.
à
Switch off
pump pressure control (
þ
Degassing does not function very well.
1. Pump pressure control is active.
à
Switch off
pump pressure control (
þ
2. Pump level too high.
à
Select a lower pump
level (
þ
3. Heater power too high.
à
Reduce heater pow-
er (
þ
4. Cooling unit active.
à
Switch off cooling unit
(
þ
5. Heat transfer liquid heavily contaminated.
à
Change heat transfer liquid; to do this, com-
pletely drain the device, working with the
cleaning procedure if required (
þ
7.8).
6. Filling point cover closed.
à
Open filling point
cover.
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