Shellab 74200-720 Instrukcja Użytkownika Pobierz pdf (Strona 11)

11 Microprocessor Control Bead Baths

TROUBLESHOOTING

Should the unit malfunction, use this section to determine the problem and resolution. Troubleshooting

topics include:

 Temperature

 Mechanical

 Miscellaneous

Warning: Troubleshooting procedures involve working with high voltages that can cause injury or

death. Troubleshooting should be performed only by trained personnel.

Temperature Troubleshooting

Problem

Possible Cause

Solution

Temperature too high

Insufficient quantity

of beads.

Fill bath a minimum of three-fourths (3/4) full with beads.

Main controller set

too high

See Setting Main Temperature Control

Main controller

failed on

Call customer service.

Display reads "HI" or "400"+

Probe is unplugged

Call customer service.

Probe is broken or

wire to the sensor is

broken.

Call customer service.

Temperature spikes over set

point and then settles to set

point.

Calibration issue

Recalibrate.

Temperature is too low

Over Temperature

Safety is set too

low.

See Setting Main Temperature Control.

Bath temperature

not recovered from

bead being added.

Wait for display to stop changing.

Unit not recovered

from power failure

or being turned off.

Bath will need a minimum of 8 hours to warm up and stabilize.

Main controller

failure

Confirm with front panel lights that controller is calling for heat.

Display reads "LO" but heating

all the time

Control failure

Call customer service.

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