Error Messages - Wilo Stratos MAXO Serie Instrucciones De Instalación Y Funcionamiento

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15.2 Faults without error messages
15.3

Error messages

210
Faults, causes, remedies
Diagnostics help
Overview of the ana-
logue input (AI 2)
SSM relay forced control
SBM relay forced control
Device information
Manufacturer contact
Table 45: Selection options – Diagnostics help
1)
For information about type of use, signal type and functions see section "Application
and function of analogue inputs AI1 and AI2 [} 183]".
2)
See section "SSM/SBM relay forced control [} 181]".
Faults Causes
Fuse protection defect.
Pump is not running.
Pump has no voltage.
Cavitation through
insufficient suction pres-
sure.
Pump makes noises.
Table 46: Faults with external interference sources
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.
Error messages displayed on the LED display with seven segments
▪ An error code (E...) is displayed.
Fig. 92: Error code display
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 mes-
sage is revoked and operation resumes.
If an error message is output, the display is permanently on and the green LED indicator
is off.
Code Fault
Unstable power supply
401
Description
e.g. type of use of
temperature sensor,
signal type PT1000 for con-
trol mode ΔT-const
Forced control of the SSM re-
lay
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
works customer service.
Remedy
Check fuses.
Reconnect the voltage.
Increase system feed pressure
within
permissible range.
Check
delivery head setting, set to
lower delivery head if required.
Cause
Unstable power sup-
ply.
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
Remedy
Check power supply.
WILO SE 2018-11