en
16.1
Diagnostics help
16.2
Mechanical faults without error
messages
100
To read how faults influence the SSM (collective fault signal), see the "Communication in-
terfaces: Setting and function" section.
In order to support fault analysis, the system provides additional help in addition to display-
ing errors:
Diagnostics help is used for diagnosis and maintenance of electronics and interfaces. Apart
from hydraulic and electrical overviews, information about interfaces, device information
and manufacturer's contact data are provided.
In the "Diagnostics and measured values" menu
1.
"Diagnostics help".
Selection options:
Diagnostics help
Description
Overview of hydraulic
Overview of current hydraulic
data
operating data.
Overview of electrical
Overview of current electrical
data
operating data.
Overview of analogue in-
Overview of settings
put (AI1)
Overview of analogue in-
Overview of settings
put (AI2)
SSM relay forced control
Forced control of the SSM relay
in order to check the relay and
electrical connection.
Device information
Display of different device in-
formation.
Manufacturer contact
Display of contact data of the
factory customer service.
1)
See the "SSM relay forced control" section.
Table 25: Selection options – Diagnostics help
Faults
Causes
Pump is not running.
Electric fuse defective.
Pump is not running.
Pump has no voltage.
Installation and operating instructions • Wilo-SiFresh • Ed.02/2023-08
, select
Display
• Actual delivery head
• Actual volume flow
• Actual speed
• Actual fluid temperature
• Active restriction
Example: max. pump charac-
teristic curve
• Mains voltage
• Power consumption
• Consumed energy
• Active restriction
Example: max. pump charac-
teristic curve
• Operational hours
• Type of use
• Signal type
• Function
• Type of use
• Signal type
• Function
• Normal
• Forced active
• Forced inactive
1)
• Pump type
• Article number
• Serial number
• Software version
• Hardware version
• Contact data
Remedies
Check fuses.
Reconnect the voltage.