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The control counts the number of times a fault is recorded.
A fault is not displayed to the consumer until 10 counts have
been recorded to ensure a true failure has occurred (except
5 fault counts for dirty filter).
For example, if the upper element were to fail, each time the
control energized the upper element, but the element failed
to draw current, the count would increase by 1.
Note: When a count is recorded, the control automatically
switches to another available mode/heating source for that
heating cycle. This ensures hot water is supplied unless all
three heating sources have failed (compressor, upper and
lower heating elements).
Fault Count
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