Proline Kryomats
YAUE0007 / 2/26/2009 Maintenance 103
Master: Alarm message al/B
Command: Pump blocked
(Pump motor monitoring: Overload,
blockage).
Ì 7.12.5.
1.
The viscosity of the heat terans
fer liquid is too
high Æ change heat carrier liquid or raise the
setpoint temperature.
2. The pump is blocked. Æ Contact the LAUDA
Service Constant Temperature Equipment Ì 9.4.
Master: Alarm message OslDT
Command: Low level (pump)
(Pump motor monitoring: No load).
Ì 7.12.6.
1.
No liquid in the system. If this oc
curs, the level
monitoring has failed. Æ Check whether the float
in the expansion vessel is blocked by foreign
bodies. Otherwise, contact LAUDA Service
Constant Temperature Equipment Ì 9.4.
2.
With the option "open load"
the device draws air
out of the open load. Æ Move the return to the
load.
Master: Alarm message Dppmp 00
Command: Overpressure
(outflow pressure too high).
Pump level too high Æ Select a lower pump level
Ì 7.5.3.
Compressor overtemperature Ì 7.12.7
Three-phase current Ì 7.12.8