Heraeus Combilabor CL-P 7 - Troubleshooting: Errors and Causes

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8 Errors and causes
The following possible causes should help for trouble-shooting. If an error can not be eliminated,
the responsible service agent (see paragraph 11 Service) must be informed.
Motor does not start
Check socket and fuse at the casting machine / ceramic furnace.
Check mains connection. (cable and plug).
Check starting capacitor (see paragraph 5.1 Elements of device, pos. 4) . (service)
Check oil level and change oil if required.
Jamming of pump / motor does not pull through
Pump has run without oil –> inform service (see paragraph 11 Service).
Pump starts with difculties / runs too slowly
contaminated oil –> change oil.
 Toomuchoillledin–>drainexcessoil.
Incorrect type of oil –> change oil.
Pump has not been operated for a longer time (weeks or months) –> pump with closed intake.
Let pump run for approx. 5 minutes, change oil if required, look for corrosion. (corrosion particles in the oil?)
Starting capacitor (see paragraph 5.1 Elements of device, pos. 4) defective. (service)
Insufcient vacuum
Intake (suction) line leaky –> check clamps and tube.
 Checkoillevelandllupifrequired.
Filter element (see paragraph 5.1 Elements of device, pos. 2) clogged–>exchangelterelement.
Pump gets unusually hot
normal working temperature approx. 80°C to 90°C (176°F to 194°F).
Blocked cooling air supply –> do not block fan openings.
 Toomuchoillledin–>drainexcessoil.
Filter element (see paragraph 5.1 Elements of device, pos. 2) clogged–>exchangelterelement.
Oil mist resp. loss of oil
 Toomuchoillledin–>drainexcessoil,exchangelterelement (see paragraph 5.1 Elements of device, pos. 2).
 Pumpwastiltedwithoillledin–>exchangelter (see paragraph 5.1 Elements of device, pos. 2).
 Incorrecttypeofoil–>changeoil,exchangelter (see paragraph 5.1 Elements of device, pos. 2).
Filter element (see paragraph 5.1 Elements of device, pos. 2) used–>exchangelter.
If errors can not be eliminated: inform service, addresses can be found in paragraph 11 Service.