WOOSUNG AUTOMA CO., LTD
646-16, Seokpo5-Ri, Jangan-Myeon, Hwaseong-Si Kyoungki-Do, KOREA
TEL
: +82 31 358 9640
FAX
: +82 31 358 9644
http://www.wsautoma.co.kr
6. TROUBLE SHOOTING
SYMPTOM
CHECK
STEM TO TAKE
Noisy motor would not turn
Power line voltage and connections.
Any foreign materials inside the pump.
Motor ( Open internal circuit).
Correct voltage or connections.
Remove the foreign materials, If problem
with oil, change it.
Replace open windings.
Noise and hot pump
Any Foreign materials inside the exhaust
valve.
Leakage in the system.
If leakage valve is open.
All the valves in the vacuum line.
Remove the foreign materials
Fix the leakage.
Close the valve.
Close if found open.
Vacuum Drops
(get worse)
Low oil level.
Leakage on the device connection.
Moisture content of oil.
Oil regulator.
If Gas Ballast is open.
Add Oil.
Close the intake and recheck.
Change Oil.
Replace the Oil Regulator.
Close the gas ballst.
Motor runs but Pump not.
Worn out coupling mechanism.
Worn out key between motor and pump.
Replace coupling.
Replace the key and the set screws.
