16.0 Troubleshooting
Delta Dual V4/V6
Fault
Cause
Water leaking from discharge arms.
'O' rings missing or not installed correctly in unions.
PTFE tape not applied to male irons on discharge arms
when attached to pumps.
Pump isn't running.
Pump hasn't got power - check wiring with reference to
section 12.0 wiring diagram.
Float arm isn't lifting - check float arm is free moving
and not catching on chamber or other pump - make sure
pumps are positioned as diagram 36.
Float arm not turning on pump - can you hear a click
when lifted slowly? If not, call PPS for further assistance.
Pump running but not pumping water or discharging
very slow (more than 40 seconds to empty chamber.
Gate valve isn't open or partially closed - turn valve
anticlockwise to open.
Pump is air locked - make sure there is a level of water
to the top of the pumps, remove pump from union and
lower back into water, lift float arm to activate pump
before reconnecting to discharge arm.
Discharge pipe is blocked - a drainage company is
required.
Pump impellor is jammed - turn off power and isolate
pump, remove pump from chamber, unscrew pump base
using Torx screwdriver and free impellor.
WARNING! - Insure mains power and pump is
isolated before taking pump apart and seek advice
from a qualified electrician.
Pump is tripping.
Pump is wired incorrectly or not on a separate supply -
refer to section 12.0 wiring diagram.
Pump impellor is jammed - turn off power and isolate
pump, remove pump from chamber, unscrew pump base
using Torx screwdriver and free impellor.
WARNING! - Insure mains power and pump is
isolated before taking pump apart and seek advice
from a qualified electrician.
High Level Alarm not functioning.
Refer to the high level alarm installation & operating
instructions.
Please ensure the installation process has been completed thoroughly and all steps have been followed correctly.
Use the table below to assist with troubleshooting and if problems still occur, please contact PPS for further technical
support on 01279 757400.
24
For technical support, please call 01279 757400
