Errors And Troubleshooting - IMPPUMPS GHN Serie Montage- Und Wartungsanleitung

To deblock the pump proceed as follows :
Switch off the pump, close the valve on both pressure and suction sides of the pump,
unscrew the vent for deaeration, place the screwdriver (Fig.2-POS.5) in the notch on the
shaft and twist as longer as friction forces allow. Then screw the vent for deaereation.
The unit is not intended for children, adults with physical, mental or emotional impairments,
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. e t
rrorS and
Red light – GHN (basic, auto), GHND (basic, auto), GHNM (basic, auto),
GHNMD (basic, auto)
Error
Description of the error
code
2 Voltage too low or phase missing. Check the power supply.
Overheated pump motor. If the error occures 3x, turn the power off and then
3 on. If the error occures in spite of moderate temperature of the media, service
is needed.
Internal connection error is identified. Turn the power off and then on. In
4
case it does not help, service is needed.
5 Wrong direction of rotation. Interchange two voltage phases.
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roubleShooting
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