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INSTANT MATCH Kit Fault Diagnosis
Ensure power is connected and switched on.
Press the TEST button on top of the transformer.
NO
Check unswitched spur connections are
good and insulation has not been pinched.
Check fuses and RCDs are ok.
If no obvious fault, attach plug to
transformer mains lead and plug into
known good socket.
Does lamp illuminate?
NO
Replace transformer
SDS233T (755.617)
20
Pump will not start
Does the buzzer beep?
Does pump start when TEST
button is pressed & released?
NO
Cut off spade connectors
and reconnect with
YES
connector block, RED
to RED and BLK to BLK.
Retest. Does pump work?
Check the
NO
dwelling wiring,
fuses and RCDs.
If 10 - 20v on pump terminals
re-check polarity on pump.
If correct change
the pump (SDS021T)
The transformer allows the pump to
If the pump continues to run after this
transformer at the mains and allow it to
cool and re-set. If this does not solve
YES
YES
YES
No further action
What is the fault?
Pump will not stop
over-run for up to 60 seconds.
time has elapsed, switch off the
the problem, replace transformer
SDS233T (755.617).
WIRED
Check transformer setting
is correct for sensor.
Check signal cable between sensor
and transformer is less than 5m
long, undamaged and that
connections are good.
Retest. Does pump work?
YES
NO
Replace sensors
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