GRE AR7051 Installation And Maintenance Manual page 12

PROBLEM
Water leakage.
After the filter has started up, there
is no flow in the return nozzle.
Intermittent operation.
The flow rate of the filter is low.
Water comes out through the
mouth of the filter.
The filter valve leaks through the
drain terminal (WASTE).
The motor does not start up.
It makes no noise or vibration.
The motor does not start but a
buzzing sound can be heard.
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CAUSE
Analyze the reason for water loss.
The valve is not in the "filter" setting.
The filter is above the level of the water
and is unprimed.
The suction cover or the skimmer plug has
been inserted.
Low water level on skimmer.
The filter is not primed.
Due to use, the filter is dirty.
The filter is not primed.
The connection between the valve and the
filter is dirty.
The metal band is loose.
Damage of inner coupling due to incorrect
use of chemical products.
Valve head broken due to incorrect use
(over-tightening).
There is no current in the electrical line.
Problem with the motor.
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Ensure that the clamps and terminals are in the
correct position and have been tightened.
If the water loss continues contact the pool
manufacturer's after-sales service.
Disconnect the filter and put the valve in the correct
setting.
Place the filter in the correct position and prime it.
Remove the suction cover or the skimmer plug.
Fill the pool and prime the filter.
Prime the filter.
Perform a backwash.
Prime the filter.
Clean the sand from the opening. Insert the
coupling on the valve properly and tighten the
metal band firmly.
Change the top valve cover.
Do not put chemical products in the preliminary
filtration skimmer basket.
Change the valve head; do not over-tighten.
Make sure that there is current running in the
electrical line.
Please contact the vendor.
MONOBLOCK FILTER - Installation and General Maintenance Manual
SOLUTION