Integral XT
YAWE0028 / 24/06/2016
Maintenance
139
Master: Warning message
WXArn 332
Command: Low flow (cooling unit).
(Not enough flow in region of evaporator).
(
þ
1. Check whether there is a blockage in the hy-
draulic circuit (closed valves, pinched hose,
dirt ...).
à
Rectify cause.
2. Pump level too low.
à
Select a larger pump
level (
þ
3. Pipe cross-section is too small.
à
Enlarge
cross-section or use bypass (
þ
10 and
4. Cooling power for the existing volume flow too
high.
à
Reduce cooling power (
þ
Master: Warning message
WXArn 007
Command: Low flow (heater).
(Not enough flow in region of heater).
(
þ
1. Check whether there is a blockage in the hy-
draulic circuit (closed valves, pinched hose,
dirt ...).
à
Rectify cause.
2. Pump level too low.
à
Select a larger pump
level (
þ
3. The device has not been vented or degassed
sufficiently.
à
Degas device (
þ
7.6.2 and
4. Pipe cross-section is too small.
à
Enlarge
cross-section or use bypass (
þ
7.15.1 and
10).
5. Heater power for existing volume flow too high.
à
Limit heater power (
þ
7.15.7.1 and
Master: Alarm message
tEMNP
Command: Overtemperature protection.
(
þ
1. Wait until the outflow temperature has cooled
below the overtemperature cut-off point or set
the cut-off point higher than the outflow tem-
perature.
Master: Warning message
WXArn 104
Command: Level very low
(Imminent low level in the expansion vessel).
Master: Alarm message
LEUEL
Command: Low level.
(Low level in the expansion vessel)
(
þ
1. Check hoses, connections and load for wheth-
er a leaky location is present.
à
As applicable,
rectify the leakage and top up the missing heat
transfer liquid (
þ
2. Check the Integral XT for whether a leaky loca-
tion is present.
à
If necessary, contact LAUDA
Service Constant Temperature Equipment (
þ
9.5).
3. The liquid may drop due to cooling or degas-
sing.
à
If necessary, top up the missing heat
transfer liquid (
þ
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