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12. Troubleshooting Guide
The following steps should be followed if servicing the Grundfos UPM3 Flex AS pump:
TROUBLESHOOTING GUIDE
FAULT
CAUSE
REMEDY
UNIT/PUMP IS NOT RUNNING.
NO POWER SUPPLY
Unit is switched off
Ensure the unit power switch
is ON
Fuse in the terminal block has
blown
Replace the fuse
The circuit breaker has tripped Check the power connection &
switch on the circuit breaker
Power supply failure
Check the power supply
UNIT/PUMP IS NOT RUNNING.
NORMAL POWER SUPPLY
Service interval alarm reached Service filter & input new
service interval date
Pressure Differential alarm
activated
Service filter & input new
service interval date
Pump is blocked with
impurities
Unblock the pump and remove
impurities
Pump is defective
Replace pump - contact ADEY
Customer Services
PUMP RUNS AT MAX SPEED &
CANNOT BE CONTROLLED
No signal from signal cable
Check cable is connected to
pump & controller. If connected
correctly, replace the cable
- contact ADEY Customer
Services
NOISE IN THE PUMP
There is air in the pump
Let the pump run. The pump
vents itself over time
PUMP LED5 ON. PUMP TRIES
TO RESTART EVERY 1.5 SECS.
Rotor shaft is blocked
Unblock the rotor shaft by
pushing it with a screwdriver
from the front of the pump
PUMP LED4 ON.
PUMP IS RUNNING
Supply voltage is too low
Check the voltage supply
PUMP LED3 ON.
PUMP STOPS
Supply voltage is too low
Check the voltage supply
Serious failure
Replace pump - contact ADEY
Customer Services
Содержание MagnaClean CMX
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