Pioneer WD Series, Руководство по обслуживанию

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16
(7) Display EA
Symptom Display EA
Cause Current sensor fault
S/N Inspections How to Solve Remarks
1 Check for refrigerant leakage
Find the leakage point and
recharge the refrigerant
If higher than 0.4V, replace the
intelligent power module
Photo 13
2
V1 inverter unit : Test the voltage
of 5# pin to 2# pin on power factor
correction
If not higher than 0.4V, replace
power factor correction
3
V2
、
V3
、
V4
、
V5
、
VP1
、
VP2 inverter
unit
Replace the outdoor power
source board