Henny Penny SpaceSaver Plus Team Service Instructions Manual page 58

Error messages
Measure the input voltage on the power board. Is
230 V present?
Check fuse F1. Is it defective?
Check contactor Q1 (load side) for proper operation.
Is voltage present on the output side?
Contactor Q1 defective.
Contactor Q4 defective.
58
Continued from previous page
Does the fault appear only sporadically?
No
No
No
No
No
Service instructions
Yes
Replace communication cable between power board
and control board for test purposes and perform test
run. Switch unit on "I." Check whether the fault still
appears.
Fan motor defective.
Yes
Continued on next page
Yes
Check input side of power board for short-circuit. Is
there a short-circuit at terminal S100?
Yes
Power board defective.
Yes