13
Maintenance
EN Rivo™ I Controller
98
W3T597263 Issue 01-0624 | Evoqua Water Technologies GmbH
13 MAINTENANCE
13.1 Maintenance intervals
Replace battery of the electronics module after 5 years.
13.2 Replace battery
The battery is required for the real time clock in the event
of a power failure. If the time is not correct or if time-con-
trolled functions show faulty behavior, the battery must be
changed. Replace the battery after 5 years at the latest.
1 Disconnect the electronic module from the power
supply and check that it is de-energized.
2 Remove the housing cover of the electronic module.
3 Unscrew the metal cover on the HMI.
4 Remove the battery from the HMI holder.
5 Insert the new battery, type CR1632. Observe the
correct polarity!
6 Re-attach the metal cover to the HMI.
7 Fit housing cover.
8 Turn the power supply on.
9 Set the date and time. No further settings are
required.
WARNING
Danger from unqualified personnel
Possible consequence: fatal or serious injury and signif-
icant material damage.
• To ensure safe operation and prevent serious injury,
the device must be serviced by trained and autho-
rized specialist personnel.
• Observe the specified maintenance intervals.
• Adhere to the applicable standards and national and
regional regulations.
Article number Designation
W2T555401 Battery, electronics module
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