28
Troubleshooting Guide - Compressor
FAULT FOUND
POSSIBLE CAUSE
RECOMMENDED REMEDY
Compressor not operating, motor fails to start
No power
Power the machine
Automatic switch tripped or fuse burnt out
Reset the switch or replace the fuses with
other suitable ones
Overload switch tripped
Resets automatically after cooling in single-
phase version
Faulty condenser
Change the condenser
Impeller blocked
Foreign bodies between the fixed and
rotating parts of the compressor
Compressor not operating, motor starts
Liquid level dropped and bottom valve no
longer under water
Be careful, the mechanical seal could be
damaged
Compressor not filled with liquid or drained
due to leaks
Be careful, the mechanical seal could be
damaged
Compressor operates at reduced flow rate
Difference in pumping level above
compressor capacity or flow resistance too
high during suction
Replace the suction pipe with one of
bigger diameter. Reduce elbow bends to a
minimum. eliminate deposits.
Compressor or pipe blockages
Clean or remove blockages
Compressor stops after short periods
Overload switch tripped
Compressor not turning freely
viscous liquid
IMPORTANT!
FOR ANY OTHER PROBLEMS, CONTACT THE NFE TECHNICAL SUPPORT.
406816_RevB
Содержание DL6000P
Страница 2: ......
Страница 18: ...18 THIS PAGE INTENTIONALLY LEFT BLANK 406816_RevB...
Страница 20: ...20 Operation 406816_RevB...
Страница 21: ...21 Operation 406816_RevB...
Страница 38: ...38 Parts Lists and Diagrams 406816_RevB...
Страница 42: ...42 Parts Lists and Diagrams 406816_RevB...
Страница 50: ......
Страница 51: ......