Daikin AT12BV1LS Pocket Manual page 155

Troubleshooting
154
Valve Body Condition
(Symptom)
(3) Valve does not
open fully.
(Symptom)
The unit does not
cool nor heat (only for
heat pump model.)
IT is actuated.
Abnormal discharge
pipe temperature
Check Method / Measure
Check the number of rotation
of shaft if it is 5 and half from
full open to complete close
using manual coil for
electronic expansion valve.
When the number of rotation
of shaft is less than the above
value, the valve may catch
anywhere of the body.
Service Diagnosis
Si10-417