Casella CEL AFC123 User Manual
Page 22

Casella USA
17 Old Nashua Road #15
Amherst, NH 03031
Email
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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