Warning Messages - Wilo Stratos GIGA2.0-I Notice De Montage Et De Mise En Service

Code Fault
Additional information about causes and remedies:
Observe the permissible installation position and minimum distance from insulation and system components to ensure
sufficient ventilation.
Keep cooling fins free of deposits.
406 Motor too hot.
Additional information about causes and remedy:
Adhere to permissible installation position and minimum distance from insulation and system components to ensure
sufficient ventilation.
407 Connection between motor and module in-
terrupted.
Additional information about causes and remedies:
Dismantle the electronic module to check the contacts between module and motor. Observe the safety instructions!
408 There is flow through the pump in the op-
posite direction of flow.
Additional information about causes and remedy:
If flow passing through pump in the opposite direction is too strong, the motor can no longer start.
409 Incomplete software update.
Additional information about causes and remedy:
The pump can work only once the software update has been completed.
410 Voltage analogue input overloaded.
Additional information about causes and remedy:
The fault impairs the binary inputs. EXT. OFF is set. The pump is stationary.
411 No mains phase
420 Motor or electronic module defective.
Additional information about causes and remedy:
The pump cannot determine which of the two components is faulty. Contact service.
421 Electronic module is defective.
Additional information about causes and remedy:
Contact service.
Table 56: Error messages
18.4

Warning messages

Code Warning
550 There is flow through the pump in the op-
posite direction of flow.
Installation and operating instructions • Wilo-Stratos GIGA2.0-I, Wilo-Stratos GIGA2.0-D • Ed.02/2022-07
Cause
Permissible motor temperature is
exceeded.
Electrical connection between mo-
tor and module faulty.
External influences cause flow
against the direction of the pump's
flow.
The software update was not com-
pleted.
Voltage analogue input short-cir-
cuited or too heavily loaded.
No mains phase
Motor or electronic module defect-
ive.
Electronic module is defective.
Warning displayed:
• The status display is marked in yellow.
• Warning message, warning code (W...), cause and remedy are described as text.
Warnings indicate restricted pump function. The pump continues to operate in restric-
ted mode (emergency operation).
Depending on the cause of the warning, emergency operation leads to a restriction of
the control function and even reactivation of a fixed speed.
If the pump identifies as part of permanent monitoring that the cause of the warning no
longer applies, the warning is revoked and operation resumes.
If a warning message is output, the display is permanently on and the green LED indicator is
off.
Cause
External influences cause flow
against the direction of the pump's
flow.
Remedy
Ensure permissible ambient and
fluid temperature.
Ensure motor cooling with unob-
structed air circulation.
Check the motor module connec-
tion.
Check system function,
install swing check valves if neces-
sary.
Software update with a new soft-
ware bundle is required.
Check line and consumers connec-
ted to power supply of analogue in-
put for short-circuit.
Check the electrical installation.
Replace motor and/or electronic
module.
Replace electronic module.
Remedy
Check power control of the pumps,
install swing check valve if needed.
en
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