Breakdown
Should serious and/or non-eliminating problems arise, the customer service of Walther Systemtechnik
GmbH must be contacted.
Malfunction
No connection to the
dashboard
Valve does not trip
Error code is displayed
Cleaning
Wipe the housing with a slightly damp cloth.
If the DIN rail housing is dirty, use a little mild detergent and warm water.
WVC
IMPORTANT
Before contacting service, check all supply lines.
Possible Cause
No connection to the network
Connection expired
Fault in the controller
Valve not connected
Activate Peak'n'hold
There is an error
IMPORTANT
Do not use sharp-edged tools to clean the housing and display. Use only cloths to
avoid scratches.
Remedy
Check LAN/WLAN
Reload button in the address line
Check connections, replace PCB
connectors if necessary
Connect the valve
Disable Peak'n'hold
Error codes are listed in Tabelle 11
Figure 34 – Faults
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