Wilo Stratos PARA/-Z Serie Notice De Montage Et De Mise En Service page 47

Faults Causes
Contact/winding Contact problems
error with the motor.
Motor winding motor
or plug is damaged.
Dry run Venting faulty
Excess module Limited air supply to
temperature the heat sink of the
module
Table 10: Faults
If the operating fault cannot be remedied, please consult a specialist technician or the
nearest Wilocustomer service point or representative.
Installation and operating instructions Wilo-Stratos PARA/-Z
Performance of the
pump/remedy
Motor restarts after a
delay. After 5 unsuc-
cessful starts the
motor is switched off
permanently.
Motor restarts after a
delay.
Operation of the pump
outside the permissible
temperature limits.
Description
If contact between the motor
and module fails, the motor is
shut off. A restart is initiated
after 30 seconds. After it has
been switched off five times
the motor is shut off perma-
nently. This can only be reset
if the power is disconnected
for >30 seconds. The SSM
relay is active as long as the
internal error counter is not
ZERO.
After being exposed to dry-
running conditions for a cer-
tain time frame the motor is
shut off. It restarts after a
delay of 30 seconds. The
pump runs automatically
under normal conditions
when dry running is longer
present.
If the interior temperature of
the module increases exces-
sively, the pump switches off
and reports a fault. A restart is
initiated after 30 seconds.
After it has been switched off
five times the motor is shut
off permanently. This can only
be reset if the power is dis-
connected for >30 seconds.
The SSM relay is active as long
as the internal error counter is
not ZERO.
English
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