Warning Messages - Wilo Yonos GIGA2.0-I Einbau- Und Betriebsanleitung

17.3

Warning messages

Installation and operating instructions • Wilo-Yonos GIGA2.0-I/-D • Ed.01/2023-03
Code Fault
405 Electronic module too
hot.
Additional information about causes and remedy:
Adhere to permissible installation position and minimum distance from insula-
tion 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 insula-
tion and system components to ensure sufficient ventilation.
407 Connection between
motor and module inter-
rupted.
Additional information on causes and remedies:
The electronic module can be dismantled to check the contacts between module
and motor. Observe the safety instructions!
408 There is flow through the
pump in the opposite dir-
ection 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 up-
date.
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 Mains phase missing
(only applies to 3~)
Additional information about causes and remedies:
Operation cannot be maintained. Possible causes:
1. Contact fault on mains connection terminal.
2. Fuse of a mains phase has tripped.
420 Motor or electronic mod-
ule defective.
Additional information about causes and remedy:
The pump cannot determine which of the two components is faulty. Contact
service.
421 Electronic module is de-
fective.
Additional information about causes and remedy:
Contact service.
Table 35: Error messages
Warning displayed:
• The status display is marked in yellow.
Cause Remedy
Permissible temper- Ensure permissible ambient
ature of the electronic temperature.
module is exceeded. Improve room ventilation.
Permissible motor Ensure permissible ambient
temperature is ex- and fluid temperature.
ceeded. Ensure motor cooling with
unobstructed air circulation.
Electrical connection Check the motor module
between motor and connection.
module faulty.
External influences Check system function,
cause flow against the install swing check valves if
direction of the necessary.
pump's flow.
The software update Software update with a new
was not completed. software bundle is required.
Voltage analogue in- Check the cables and con-
put short-circuited or sumers connected to the
too heavily loaded. analogue input power sup-
ply for short circuits.
No mains phase Check the electrical installa-
tion.
Motor or electronic Replace motor and/or elec-
module defective. tronic module.
Electronic module is Electronic module is defect-
defective. ive.
en
201