Service manual

27
9-2-4 No Compression
9-2-5 Discharge Pressure Rise
No
Yes
Yes
No
Low discharge
pressure
- Clean the suction filter, and replace,
if necessary
No
Airend is
damaged
- Check the rotation
- Check if there is any abnormal noise
Yes
Failure of
controller
- Check the pipe for leakage
- Install an additional compressor if
the capacity is insufficient
No
Yes
- Check the function of a multi-unit
control
- Check the magnet and the output of
the controller
Yes
No
Start-Up
Request a service
No
Excessive
amount of air
used
Suction filter is
clogged
Yes
After eliminating the cause
Discharge Pressure Rise
Safety valve is
activated
Failure of pressure
sensor
Request a service
Pressure sensor or safety valve is
defective
Check the operation of the pressure
sensor
After eliminating the cause
Start-Up
TROUBLESHOOTING
1) An appropriate temperature of an airend is 158℉ or below at the operating temperature 104℉ or below.
2) Always take necessary action if the temperature of the airend is sharply increased with no change in ambient
temperature.
Notes: