45
Code Module Type Error cause User recommended action
D025-S DCAC SOFT DC current in-
jection exceeds 
limits
Contact your dealer if this fault 
occurs frequently 
D027-H DCAC HARD DC bus too high 
during cold start
Contact your dealer if this fault 
occurs frequently
D028-H DCAC HARD Board supply 
voltages out of 
range
Contact your dealer if this fault 
occurs frequently
D029-S DCAC SOFT cold start failed Contact your dealer if this fault 
occurs frequently
D031-H DCAC HARD power overload Disconnect exesive loads
P007-H Platform HARD Internal software 
error
Contact your dealer if this fault 
occurs frequently
P027-H Platform HARD Internal voltage 
error
Contact your dealer if this fault 
occurs frequently
P028-H Platform HARD Internal Fre-
quency error
Contact your dealer if this fault 
occurs frequently
P029-H Platform HARD Internal relay 
error
Contact your dealer if this fault 
occurs frequently