FCU 500, FCU 505 · Edition 02.17 143
Maintenance
19 Maintenance
The fail-safe outputs (valve outputs V1, V2 and V3) of
the power module are monitored for correct function-
ing. In the event of a fault, the system is set to a safe
status using a second shut-down path (isolation of the
valve outputs from the mains). In the event of a defect
(e.g. fault 36), the power module must be replaced.
See www.partdetective.de
(optimized for smartphones)
for a replacement/order option for the power module.
The device and user statistics can be displayed using
the operator-control unit OCU or engineering tool BC
Soft for further diagnostics and troubleshooting. The
user statistics can be reset using engineering tool BC
Soft.
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