Casella-cel AFC123 Manuel d'utilisateur télécharger pdf (Page 22)

Casella USA

17 Old Nashua Road #15

Amherst, NH 03031

Web www.casellausa.com

TF (800) 366-2966

AFC123 Personal Sampler. Page 22

Handbook No. HB3182-02 Issue2/JULY 1994

Symptom:- Pump runs but cannot achieve desired flow rate.

Possible cause:-

Service Hint.

Leak on pump assembly. Locate and correct.

Dirt under valves or valves damaged. Replace.

Inlet filter clogged. Remove and clean.

Flow potentiometer inoperative Replace circuit

board.

Symptom:- Cannot obtain full shift

working even when pressure drop does

not exceed 40cm H20 at 2 litres/min.

Possible cause:-Incomplete charge. Recharge.

Battery below capacity. Fully charge and

check voltage, should

be 4.8V-5.4V. If

below check output from charger:-

should be 110-125mA.

If output correct

replace battery.

High current consumption due to Locate and correct.

mechanical defect in pump.

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Casella-cel AFC123 Manuel d'utilisateur Page 22