DAYLIFF D3SP Руководство по установке и эксплуатации - Страница 12
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8. TROUBLE SHOOTING GUIDE
Problem
The pump
does not
run
Possible Cause
The fuses are blown
The ELCB or the voltage-
operated ELCB has tripped
out
No electricity supply
The motor overload has
tripped out
Motor starter/contactor
defective
The control circuit has been
interrupted or is defective
The dry running protection
has cut out the pump due to
low water level
The pumps submersible drop
cable is defective
The protection relay has
tripped due to power
inconsistencies
Solution
Replace the blown fuses. If
the replacements blow too,
the electric installation and
the submersible drop cable
should be checked
Re-set the circuit breaker
Contact the power supply
provider
Reset the motor starter
overload. If it trips again,
check the voltage and if
normal call service technician
Repair the motor starter/
contactor
Check the electric installation
Check the water level. If it is in
order check the water level
electrodes/level switch
Repair/replace the pump/
cable
Contact the power supply
provider
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