Manual HAHSON SR8 PLUS - VTP UP

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SR8-Plus Operation Manual73-100-810-I7.2 Troubleshooting Table (continued)Problem Possible Causes Recommended ActionSystem protocols andsettings are lost orbecome corrupt.NOTE: this may alsohappen whenupgrading software.CPU or RAM/ROMDiagnostic tests failed.Motor Diagnostic testfailed.Lithium battery needsreplacement.Component failure.Motor plug not properlyconnected to controller.Replace main board assemblyp/n 73-100-310.Contact Hanson servicerepresentative for repairs.Check motor plug connection.Heater Diagnostic testfailed.Printer not working.Motor calibration required.Heater plug not properlyconnected to controller.Bath water level low.Bad fuse/fuse holder.Defective heater.Printer RS232 cableconnection.Printer is off-line.Printer is disabled.No power.Printer is bad.Run calibration test.Check heater plug connection.Check bath water levelCheck and replace fuse/fuseholder.Check and replace heater.Check that cable is connected tobottom of printer and to COMMPORT 3 on controller.Press [SEL] on printer. Checkprinter paper.Go to System Accessories andenable printer.Make sure printer is turned ONand plugged into outlet oncontroller.Contact HRC servicerepresentative for repairs.Printer Settings and Test PatternHold SEL/LF buttons, turn power on, wait for printing to start and release buttons. Printer willprint its settings.Hold LF button, turn power on, wait for printing to start and release button. Printer will print itstest pattern.Section 7 Troubleshooting – 51 –
SR8-Plus Operation Manual73-100-810-I7.2 Troubleshooting Table (continued)Problem Possible Causes Recommended ActionT1 or T2 temperatureprobe not working orprobe error.Probe disconnected.System accessories set totwo probes and only onehooked up.Check probe connection tocontroller.Connect second probe or changesystem accessories setup.Temperature displaysapproximately 40.3 anddoes not change.One or more DigitalTemperature Probes donot appear in thetemperature screen.Digital TemperatureProbe screen does notshow up.Bath temperature below18°C.Probe connector is partiallyinserted into controller.Probe disconnected.System configuration set toless a number of probes thanare being used.Bad probe.System not configuredcorrectly.Wait for temperature to riseabove 18°C.Check probe connection tocontroller.Check probe connection tocontroller.Check Device Setup and selectthe correct number of probes.Replace probe.Check Device Setup and selectDigital Temperature Probes.7.3 Diagnostic TestsThe system diagnostic tests include: the microprocessor RAM/ROM test, the motor/encodertest, the floppy disk drive test, the U/I controller test, the clock test, the heater test and thebath water level test. These tests can be performed at any time using the followingprocedure:1. With the Main screen displayed, press [PREFERENCES] to display the SystemOptions screen.2. Press [6] to perform the system diagnostic tests. The test name is displayed as it isperformed. The completion status is added when the test is complete.3. When all of the tests are completed, the Performing System Diagnostics screen isdisplayed. If “All Tests Pass” is displayed, press [ESC] to display the Main screen. Ifthere is a “Failre”, investigate and correct the problem and repeat diagnostics.Section 7 Troubleshooting – 52 –
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