Todeblockthepumpproceedasfollows:
Switchoffthepump,closethevalveonbothpressureandsuctionsidesofthepump,
unscrewtheventfordeaeration,placethescrewdriver(Fig.2-POS.5)inthenotchonthe
shaftandtwistaslongerasfrictionforcesallow.Thenscrewtheventfordeaereation.
Theunitisnotintendedforchildren,adultswithphysical,mentaloremotionalimpairments,
as well as unskilled people, unless under close supervision.
Never leave children unattended near the unit.
While ordering spare parts please provide all particulars indicated on the pump rating
plates.
NOTE: DEAERATE AND START UP THE PUMP ONLY WHEN THE CONNECTOR IS
SWITCHED TO SPEED (3).
8. errorS and troubleShooting
Red light – GHN (basic, auto), GHND (basic, auto), GHNM (basic, auto),
GHNMD (basic, auto)
Error
code
Descriptionoftheerror
2 Voltage too low or phase missing. Check the power supply.
3
Overheated pump motor.Iftheerroroccures3x,turnthepoweroffandthen
on.Iftheerroroccuresinspiteofmoderatetemperatureofthemedia,service
is needed.
4
Internal connection error is identied.Turnthepoweroffandthenon.In
case it does not help, service is needed.
5 Wrong direction of rotation. Interchange two voltage phases.
Wereservetherighttomaketechnicalchanges!