Kitz F Series - Page 37

Document No.：KE-4010-11                                            Page: 34/58

23.  TroubleShooting

Detected Troubles Causes of Troubles Remedial Measures
Malfunction or insufficient capacity of
compressors
Air leakage from tubing between
compressors and actuators
Check/repair of compressors;
check/repair of tubing systems
Air flow disturbed by foreign objects
within tubes; Too small tubing sizes;
Pipe damage or freezing
Check/repair of tubes
Disturbed supply of
air pressure
Defective regulators Repair/replacement of regulators
Foreign objects stuck with valve seats Disassembly/maintenance/repair of
valves
Excessive raise of valve operating
torque
Disassembly/maintenance/repair of
valves; Increase of operating pressure
(Max 0.7 MPa, 100 psi)
Excessively throttled speed controllers Readjustment of speed controllers
Troubles with Actuators
No activation of
actuators under full
air pressure
Rejective actuators Repair/replacement of actuators
Breaks of electric circuits Check/repair of electric circuits
Defective electromagnets Check/adjustment of voltage;
replacement of coils
Water intrusion into electromagnets or
terminals
Water prevention; replacement of coils
Inadequate voltage Check/adjustment of voltage; Check of
solenoid valve specs; replacement of
coils
No Activation of
energized solenoid
valves;
Unusual noise
Excessive
temperature raise
Foreign objects stuck in solenoid valve
interior
Disassembly/cleaning/replacement of
solenoid valves
Worn piston O-ring; Foreign objects
stuck to piston O-rings
Disassembly/cleaning of actuators;
Replacement of O-rings
Troubles with Solenoid Valves
Excessive leak from
exhaust ports of
solenoid valves
Worn seating parts of solenoid valves ;
Foreign objects stuck to sealing parts of
solenoid valves
Check/replacement of solenoid valves

