Error Messages - Wilo -Stratos GIGA2.0-I Einbau- Und Betriebsanleitung

en
18.3

Error messages

Code Fault
401 Unstable power supply
Additional information about causes and remedy:
Power supply too unstable.
Operation cannot be maintained.
402 Undervoltage
Additional information about causes and remedy:
Operation cannot be maintained. Possible causes:
1. Mains overloaded.
2. Pump is connected to the wrong power supply.
403 Overvoltage
Additional information about causes and remedy:
Operation cannot be maintained. Possible causes:
1. Pump is connected to the wrong power supply.
404 Pump blocked.
Additional information on causes and remedies:
In addition to deposits and foreign substances in the system, the pump shaft can also be blocked.
405 Electronic module too hot.
218
Diagnostics help
Overview of analogue in-
put (AI4)
SSM relay forced control
SBM relay forced control
Device information
Manufacturer contact
Table 55: Selection options – Diagnostics help
1)
For information about type of use, signal type and functions, see "Application and func-
tion of the analogue inputs AI1 ... AI 4" [} 198] section.
2)
See "SSM/SBM relay forced control" [} 195] section.
Displays an error message on the display
• The status display will be in red colour.
• Error message, error code (E...), cause and remedy are described as text.
The pump is not operational if an error has occurred. If the pump identifies as part of
permanent monitoring that the cause of the error no longer applies, the error message
is revoked and operation resumes.
If an error message is output, the display is permanently on and the green LED indicator is
off.
Cause
Unstable power supply.
Power supply is too low.
Power supply is too high.
Mechanical influence is inhibiting
the rotation of the pump shaft.
Permissible temperature of the
electronic module is exceeded.
Installation and operating instructions • Wilo-Stratos GIGA2.0-I, Wilo-Stratos GIGA2.0-D • Ed.02/2022-07
Description
e.g. type of use
temperature sensor,
signal type PT1000 for control
mode ΔT-const.
Forced control of the SSM relay
in order to check the relay and
electrical connection.
Forced control of the SBM re-
lay,
in order to check the relay and
electrical connection.
Display of different device in-
formation.
Display of contact data of the
factory customer service.
Remedy
Check the electrical installation.
Check the electrical installation.
Check the electrical installation.
Check free movement of rotating
parts in the pump head and motor.
Remove deposits and foreign sub-
stances.
Ensure permissible ambient temper-
ature.
Improve room ventilation.
Display
• Type of use
• Signal type
• Function
1)
• Normal
• Forced active
• Forced inactive
2)
• Normal
• Forced active
• Forced inactive
2)
• Pump type
• Article number
• Serial number
• Software version
• Hardware version
• Contact data