Troubleshooting Table - Krautzberger MP-560 Operating Instructions Manual

Diaphragm pump MP-560
8.3

Troubleshooting table

Error
Air in the material container
Diaphragm pump runs
unevenly
The diaphragm pump does not
start up
Membrane pump works but no
pressure builds up or no suc-
tion
Pressure fluctuations during
operation or unusual running
noises
Article No. 200-0192
Cause
Suction line loose/leaking
Seals faulty/worn
Diaphragm faulty
Foreign bodies in the ball valve
or the valve is worn
Air is sucked in
Suction line blocked
Valve parts soiled/leaking
No compressed air available
Pressure controller/control
valve faulty
Intake screen soiled
Suction hose is kinked/leaking
Valve parts soiled/worn
Suction device leaking
Valve blocked
O-ring faulty/worn
Diaphragm worn
ENGLISH
Remedy
Check intake line, tighten if
necessary.
Ä Chapter 7.5
Replace seal (
'Replace valve parts'
on page 30).
Replace diaphragm (
Ä Chapter 7.6 'Replace the
diaphragm' on page 32).
Remove the valve parts and
check for damage, replace any
parts as necessary (
Ä Chapter 7.5 'Replace valve
parts' on page 30).
Check suction direction
Check intake line, clean if nec-
essary.
Clean/replace valve balls/valve
seat ( Ä Chapter 7.5 'Replace
valve parts' on page 30).
Switch on or check com-
pressed air supply.
Replace the pressure con-
troller/control valve (
Ä Chapter 8.4.1 'Replacing the
pressure controller/control
valve' on page 36).
Clean intake screen.
Check suction hose
Clean or replace the valve
Ä Chapter 7.5 'Replace
parts (
valve parts' on page 30).
Checking the seals.
Clean diaphragm pump (
Ä Chapter 7.4 'Clean the dia-
phragm pump' on page 29).
Ä Chapter 7.5
Replace seals (
'Replace valve parts'
on page 30).
Replace diaphragm (
Ä Chapter 7.6 'Replace the
diaphragm' on page 32).
GB–35