42
6.5.3 Pump motor monitoring
☞
−
In case of pump motor overload or a blockage the heating and the pump are
switched off.
"
""
"
−
Double signal tone sounds.
−
The display shows PUMP and the fault triangle is
flashing
−
Rectify the cause of the fault, e.g. clean the pump or
check the viscosity, then
−
reset with the key.
−
If several faults appear simultaneously, they have to be
reset individually
6.5.4 Connection floating contact ”Combination fault” 31 N
(Alarm out) 3-pole locking connector
1 = common, 2 = n.c. (make) , 3 = n.c. (break). When the unit is o.k. 1 and 3 are closed (see ill.). Max
contact rating: 0.2A 24 V. 3-pin plug (
➾
Section 10. Accessories).
☞
−
Contact operates in case of error at overtemperature protection, low-level
protection, pump monitoring or any other error message.
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