Aqua HC151+ CI(J), Use And Maintenance Manual

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HC151+ MULTI / HC200+ MULTI
ENGLISH
6. TROUBLESHOOTING
The solenoid driven dosing pump is a relatively robust device, therefore the chances of mechanical failures
are low. Sometimes chemical leaks may occur from nipples or loose hose nuts of the pump head or simply
due to breakage of the discharge pipe. If one of the above cases occurs, user has to first disconnect the unit
from the power supply, then replaces the damaged part, cleans the unit from any chemical leaks, then restart
the pump.
6.1 PROBLEM
– CAUSE – SOLUTION
Below are listed some of the problems that may occur, the causes and solutions
PROBLEM POSSIBLE CAUSE SOLUTION
The pump does not switch on
The pump is not powered
The protection fuse is blown up.
The electronic board is damaged
Connect the pump to the mains.
Replace the fuse.
Replace the electronic board.
The pump does not dose but the
solenoid is working
The foot filter is obstructed.
The suction tube is empty, the
pump is not primed.
Air bubbles in the hydraulic
circuit
.
The chemical in use generates
gas
Clean the foot filter.
Repeat the priming procedure.
Check nipples and hoses
Open the bleed valve and let the air
goes out.
Replace the pump head with
automatic bleed version.
The pump does not dose and
the solenoid does not works or
the stroke is greatly muffled.
Crystals formation, valve
occlusion and / or the balls are
blocked.
The injection valve is obstructed Clean the valves and try to circulate
water instead of the chemical
product.
Replace the valves of the pump
head.
Replace the injection valve.
7. MAINTENANCE
Under normal operating conditions, the metering pump should be checked monthly.
To avoid malfunctions or sudden stops, carefully check the following items:
- check that the electrical and hydraulic connections are intact;
- check for any leaks on the connections of the pump head or the injection valve;
- check that there are no parts of the pump or pipes corroded.
Always empty the pump head from chemical, if there could still be presence of dangerous chimica inside the
pump head it is mandatory to declare it filling the RETURN MATERIAL AUTHORIZATION module.
Always use original spare parts if it is necessary to replace worn parts
All technical assistance operations must be performed only by expert and authorized personnel. If the
pump requires direct assistance from the manufacturer, it is necessary to remove all the liquid inside
the pump head and dry it BEFORE packing it in its original box!
8. WARRANTY
The product is covered by the manufacturer's warranty for manufacturing defects. The methods and conditions
are set forth in the "General Conditions of Sale" document of AQUA SpA.