Error
Code
Error Message
Description
19 Overflow level sensor
invalid
Switch the equipment off then on again.
If problem persists, contact supplier to arrange a qualified
technician inspection.
20 User aborted cycle
Repeat cycle.
21 Low main pump
pressure
Make sure filter is clean and not clogged.
Make sure basket ports are not blocked or clogged.
Make sure basket is docked correctly.
Check equipment and water connections for leaks.
If problem persists, contact supplier to arrange a qualified
technician inspection.
22 High main pump
pressure
Make sure at least one luer hose is attached to each
basket manifold .
Make sure basket ports are not blocked or clogged.
Make sure basket is docked correctly.
If problem persists, contact supplier to arrange a qualified
technician inspection.
23 Temperature set
point exceeded
Make sure hot water temperature is no more than +80°C
(+176°F). Reduce hot water flow rate at source if too hot.
Make sure cold water flow rate is sufficient.
Make sure wash program does not have excessively long
degassing or washing stages that could lead to heating of
the water above set temperature limit. See note on
Viewing and Editing Wash Programs
on page79.
Repeat cycle.
If problem persists, contact supplier to arrange a qualified
technician inspection.
39 Sonic generator over
current
Switch the equipment off, then on again. If problem
persists, contact supplier to arrange a qualified technician
inspection.
40 Sonic generator over
temperature
Switch the equipment off, then on again. If problem
persists, contact supplier to arrange a qualified technician
inspection.
Table 11.1 Error Codes and Remedy Actions (continued)
92 TROUBLESHOOTING
InnoWave Unity & Unity 20 Operator Manual
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