Trouble shooting (continued)
Condition / Fault
Indicator
Cause / Remedy
Motor/Pump does
not switch off
Damaged switch
– contact
supplier
Motor/Pump does
not switch on
Supply problem
– high
voltage condition occurred.
SubTronic3P
®
will reset
within 10 sec. If the condi-
tion persists, contact power
company or installer
Motor/Pump does
not switch on
Supply problem
– low vol-
tage condition occurred.
SubTronic3P
®
will reset
within 10 sec. If the condi-
tion persists, contact power
company or installer
Motor/Pump does
not switch on
Too much water is being
pumped or pump is ope-
rating against a shut
valve or heavy
À
ow re-
striction
± UHPRYH ÀRZ
UHVWULFWLRQ RU UHGXFH ÀRZ
when pumping. If problem
persists, the borehole can-
not deliver the required
ÀRZUDWH5HVHWWLPHYDULHV
between 5 to 60 minutes to
ensure maximum water de-
livery from a weak well. See
also: „Underload Smart Re-
set“ page 4.
Check for faulty
wiring if no other cause can
be found.
6
GB
Trouble shooting (continued)
Condition / Fault
Indicator
Cause / Remedy
Motor/Pump does
not switch on
Pump locked or cable da-
maged –
debris may have
entered the pump or drop
cable may have been da-
maged. SubTronic3P
®
will
reset in approximately 15
min. If pumping does not
restart in 20 min, remo-
ve pump and check cable
for damage. If the problem
persists, contact installer or
supplier or remove motor/
pump from the borehole
and clean. Check for faulty
wiring if no other cause can
be found.
Motor/Pump does
not switch on
Motor/Pump is switching
on too often or is running
for very short periods.
SubTronic3P
®
will reset
within 3 minutes. Continuo-
us rapid cycling and exces-
sive motor thermal cycling
can be caused by a water-
logged tank, faulty contacts,
faulty pressure switch, sup-
ply problem or a system
fault. Contact installer or
supplier. Check for faulty
wiring if no other cause can
be found.
