Retriever IV Fraction Collector User Manual - Isco
Retriever IV Fraction Collector User Manual - Isco
Retriever IV Fraction Collector User Manual - Isco
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<strong>Retriever</strong> <strong>IV</strong> <strong>Fraction</strong> <strong>Collector</strong>Section 5 MaintenanceTable 5-1 Symptom/Remedy Chart Technical TroubleshootingSymptom Possible Cause Remedy1. Motor runs continuously. a. BCD switches set on “000”.b. Sensor/drop counter assembly is not attachedto the case top.c. Test tube racks are not installed.d. Sensor windows are dirty.e. Q1, U1, U104, U129, U114, S104.a. Set switches to proper countvalue.b. Install rack sensor.c. Install racks.d. Clean sensor windows.e. Isolate and replace2. Motor does not run. a. PAUSE/RUN is on PAUSEb. Delay time is larger than time.c. If display is off: F101, U113C, U118, VR101d. If display is on: Q1, Q101, U104, U117, U109,U105, U114, U129, S103Bm S105, S104.a. Set switch to RUN.b. Set switches to proper value.c. Isolate and replace.d. Isolate and replace.3. Works on Time but not ondrops and volume.a. Drop counter is unplugged.b. Drop counter lamp is bad.c. Q103, VR102, S103B, drop counter.a. Connect drop counter.b. Replace lamp if not lit.c. Isolate and replace.4. Works on Drops and Volumebut not on Time.5. Motor starts immediately aftercorrect number of counts, whenin Time of Volume mode.6. Motor delayed 0.8 seconds,when in Drop mode.7. Pump does not stop at end ofrun.a. U112, U111A, U110, S103B. a. Isolate and replace.a. U104G, U129. a. Isolate and replace.a. U104G, U129, S103A. a. Isolate and replace.a. K101, U104B, U115D, U128A. a. Isolate and replace.8. Pump and/or valve does notoperate during tube change.a. U102A, B, F, and U107C.b. Pump works only: U108A, U104C, U102A, B.c. Valve works only: U102F.a. Isolate and replace.b. Replace.c. Replace.9. Unit advances, but no eventmark is output.10. Unit will not advance whenan external signal is input.a. U102D, U103. a. Isolate and replace.a. U102E. a. Replace.11. Units display will not count. a. U120. a. Replace.12. Tubes display will not count. a. U124. a. Replace.13. One or more of the displaysis off (not lit).a. U123, U122, U126, U120, U125, U124, U121,U201, U202, U203.a. Isolate and replace.5-11
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