Check motor
airflow path and
fan shroud and
clear debris
NO
“Check System”
‘Drive is Overheated’ & ‘Heat Sink Overheat’
Problem
solved
Inspect motor,
drive and pcb
for water
damage.
NO
Is water
damage
visible?
Heat Sink
Overheat
(pg. 15)
Drive is
Overheated
(pg. 14)
YES
Fix problems
the may have
caused
flooding
Power down
for at least
2 minutes.
Restore power
and run pump is
quick clean
mode
Does error
reappear?
YES
Replace
Drive
Replace
Drive
Run with new
drive in quick
clean for at
least 20
minutes
Does
problem
reoccur?
NO
Problem
solved
YES
Replace
Motor
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