ABB PS D75 840 Series Installation And Maintenance Instruction page 29

Version PS D and PS DH with built in electronic over load
Fault code
F2
Over temp. heatsink
No overtemp.
Faulty temp. sensor
(check by disconnecting
the sensor from the main P.C.B)
Still F2 signal
Fault occurs only during cont. run
No
Yes
Is the switch SC on?
No
High over current above
8* set Ie
No fault
Faulty P.C.B
Yes
High over current above
set current limit level
No fault
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