warema_890558_alhb_en_v5•2022-02-01
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97
Troubleshooting
12 Troubleshooting
Problem
Possible cause
Remedy
No information in display
No operating voltage
Insert fuse,
check power supply
Wrong connection
Correct connection
No display of weather data in
Wisotronic start menu
No weather station 1 connected or pa-
rameterised (only the measured values of
weather station 1 are displayed)
Connect weather station and parameterise
as weather station 1
"Fault" display in heading. Additional details
in fault table
Programmed bus device not connected
Connect programmed bus device
Bus terminal polarity reversed
Correct connection
Bus line interrupted
"Upload devices" appears in header.
Changes were made in the service menu
and not transferred to the devices or the
upload was interrupted with a fault mes-
sage
Reload devices
Uncontrolled movements of the connected
products
Changes were made to the bus parameters
and not transferred to the bus devices
Reload devices
Temporary power failure/restart
A power failure must be followed by a cali-
bration
Changes to the unit parameters are not ex-
ecuted by the bus devices.
Changes of the unit parameters made in
the service mode were not transferred to
the bus devices.
Reload devices,
remedy faults, if applicable
Product cannot be operated with the control
panel
Actuator power supply not ensured (local
operation is not working either)
Examine fault causes and remedy them
Bus line reversed A/B
Bus line/voltage supply interrupted
Fine-wire fuse in actuator faulty (local op-
eration not working either)
Contact allocation of actuator not correctly
created
Channel allocation not correctly created
Actuator in project not correctly created
Safety function active (local operation is not
working either)
Wait until the cause (precipitation, wind,
ice) is no longer present
Wind test identified fault
Reset wind test
