Table 1: Operation analysis chart
Results Possible cause Remedy
Filter-drier in oil
return system
dirty.
Replace old filter-
drier with new.
Oil refrigerant return not functioning.
Jet or orifice of oil
return jet clogged.
Remove jet,
inspect for dirt.
Remove dirt
using solvent
and replace.
10. Symptom: Oil pump fails to deliver oil pressure
No oil pressure registers when pressing OIL PRESSURE
display key when oil pump runs.
Faulty oil pressure
transducer.
Faulty wiring or
connectors.
Replace oil
pressure
transducer.
Model YK Style G R-134a or R-513A30
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