
TST
Assembly instructions
FUF2 / FU3F -A/-C/-F
FEIG ELECTRONIC GmbH
page 97 of 114
TST_FUxF-A-C-F_Montageanleitung_EN_15
No.
Description
Possible reason for error
F.969
Internal real time clock error
• The clock has an error → Check battery, possibly empty. Make time and date
settings again.
F.970
Plausibility parameter block error
• New EPROM version
• Controller not yet initialized
• Some parameter is
implausible