Wilo Star-Z NOVA Notice De Montage Et De Mise En Service page 23

Faults, displays
00:00
(time flashes)
E 36
E 38
AA 1
AA 2
No display.
Installation and operating instructions Wilo-Star-Z NOVA T
NOTICE: When the motor is removed and
running, noises and a change in rotation may
occur.
This is normal for this situation.
Faultless function can only be guaranteed when
the pump is operated in fluid.
Replacing the motor head
Order the service motor from a specialist retailer.
8 Faults
Causes
Time not set.
Power failure for longer
than 12 hours.
Electronics fault, module
defective.
Temperature sensor
defective.
Non DVGW-compliant
setting of the tempera-
ture control.
Non DVGW-compliant
switch-off time.
Power supply interrupted. Re-establish the power

Page 15.
Remedy
Set the time.
Set the time, or establish a
secure power supply.
Get the motor head
replaced by a technician

Page 15.
Get the motor head
replaced by a technician

Page 15.
Set the temperature
above 55 °C.
Set the daily switch-off
time to less than 8 hours.
supply.
Faults
23