Download 1 - ichopan2.pl

Remedy
Cause
Symptom
4. Wrong installation of check
1. Inspect and correct. (Para. 8.5)
valves or poor valve part
assembly
5. Poor installation of seal or
1. Inspect. (Para. 8.2)
plunger
~
6 . Motor slippage
1. Turn pump off and on.
Flow rate is
1. Faulty check valve
1. Disassemble and clean or replace check valve.
lower than
2.
Pump generates
sound but does
not run.
Suction f&er clogged
2.
Clean or replace suction filter.
setting.
I. Pump head is assembled
Pump generates
1. Reassemble correctly.
cocked.
abnormal noise.
(Click synchrot
2. Poor lubrication
1. Lubricate. (Para. 8.4)
nized with pump
3.
1. Replace cam.
operation is not
4. Belt pulley broken
1. Replace pulley.
I. Zero point of pressure gauge
1. Adjust zero point. (Para. 5.1.)
Bearing cam broken
faulty .)
In gradient elution
deviating.
pressure readings
2.
of two pumps do
Line filter of either pump
1. Clean or replace h e Qter. (Para. 8.2.3)
clogged
not agree.
3.
(Difference below
Flow line clogging before
1. Take adequate action.
joint of two pump flow lines
5 kg/cm2 is not
faulty.)
1. Power supplyswitch not
Liquid is not
pumped at all.
1. Turn on power supply switch.
turned on.
2. Pump not turned on.
(Pumps stand
LED of pump key not lit.
Still.)
3. Reading of flow rate
remains zero.
4. Error displayed.
1. Press pump key.
2.
I. Set flow rate.
2.
5.
Set flow rate from SCL-8A.
1. Press
(P.MAX, P.MIN, etc.)
~~~~
Run pump(s) from SCL-8A.
key.
Remove cause of error.
~~
PC3OL not connected.
1. Connect connector.
2.
Set pump control t o local mode. (Refer topara. 6.6
~
Pressure does not
1. Drain valve opened
1. Close drain valve.
rise.
2.
Leakage from flow line
1. Take adequate action.
3.
Flow resistance low
4.
Liquid not pumped
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