Polaris 3900 SPORT Manuel Du Propriétaire page 9

Troubleshooting
If the cleaner regularly displays any of the following actions, adjustments may be necessary to
restore performance. Refer to the exploded parts diagram for part references.
Action: C leaner hangs up on steps or
other obstacles for longer
than 3 minutes.
Solution: 1. C heck the wheel RPM.
2. V erify the back-up valve is
cycling. Lift the valve out of the
water and watch the jet.
It should come on and go off.
3. A djust the thrust jet.
4. R emove unnecessary pool
hardware or install a Ladder
Guard Kit (part #G21).
Action: Cleaner is sluggish, running
with less power than normal.
Solution: 1. C heck the filter screen in the
in-line filter assembly and clean
if necessary.
2. C lean the skimmer basket,
pump basket, and pool filter.
3. C heck the hoses, hose
connections, and swivels for
leaks that could cause loss of
water pressure.
4. C heck the wheel RPM. If
below 30 RPM, see Adjusting
the Wheel RPM to increase
flow to cleaner.
Action: Cleaner races around the pool
and/or does not make contact
with the pool bottom.
Solution: 1. Check the wheel RPM. If
more than 36 RPM, see
Adjusting the Wheel RPM
to reduce flow.
2. V erify the back-up valve is
cycling. Lift the valve out of
the water and watch the jet. It
should come on and go off.
Action: Cleaner doesn't back up.
Solution: 1. V erify the back-up valve
is cycling. Lift the valve out of
the water and watch the jet.
It should come on and go off.
2. C heck the wheel RPM.
If not in 30-36 RPM range, see
Adjusting the Wheel RPM.
3. I f the filter bag is full, empty
or replace it.
4. M ake sure feed hose
is floating.
Action: Cleaner only turns in one
direction.
Solution: 1. A djust the thrust jet.
2. M ake sure feed hose
is floating.
Action: F eed hose becomes tangled.
Solution: 1. R emeasure the hose to
verify that it is adjusted to the
proper length for the pool.
2. W ith the cleaner operating,
check that the swivels and
hose connections turn freely.
3. Make sure the feed hose
is floating.
4. W ith the Polaris
hold the cleaner under water
and verify that all three wheels
are turning together.
Action: The front end of the cleaner
lifts all the time.
Solution: 1. Check the wheel RPM.
If not in 30-36 RPM range, see
Adjusting the Wheel RPM.
2. Adjust the thrust jet
downward.
3. Verify the back-up valve is
cycling. Lift the valve out of
9
operating,
®