Code
Error
578
Display and control unit de-
fective.
Additional information about causes and remedy:
The display and operating unit is available as a spare part.
579
Software for display and con-
trol unit incompatible.
Additional information about causes and remedy:
Pump function not impaired.
If a software update does not eliminate the issue, contact Service.
580
Too many wrong PIN entries.
Additional information about causes and remedy:
An incorrect PIN has been entered more than 5 times.
For safety reasons, further connection attempts are prevented without a restart.
581
Fluid temperature unknown.
Additional information about causes and remedy:
The pump works in a substitute operating mode that maintains pump operation.
582
Twin-head pump is not com-
patible.
Additional information about causes and remedy:
Twin-head pump function is only possible with two compatible pumps of the same type.
583
Fluid temperature too high.
Additional information about causes and remedy:
High fluid temperatures lead to significant damage to the pump.
1)
590
MFA
partner type is not ap-
propriate.
Additional information about causes and remedy:
A maximum replacement flow is provided for the Multi-Flow Adaptation partner.
Check the partners highlighted with (!) in the MFA
Table 52: Warning messages
1)
MFA= Multi-Flow Adaptation
16.5
Configuration warnings
Configuration warnings occur if an incomplete or contradictory configuration has been made.
Example:
The "Hall temperature control" function requires a temperature sensor. The corresponding source is not
specified or not correctly configured.
Installation and operating instructions • Wilo-Stratos MAXO/-D/-Z • Ed.02/2023-10
Cause
A fault in the display and
operating unit has been
identified.
Display and operating unit
cannot communicate cor-
rectly with the pump.
Too many connection at-
tempts with wrong PIN.
Temperature sensor is de-
fective.
Twin-head pump partner is
not compatible with this
pump.
Fluid temperature is hotter
than 110 °C.
1)
An MFA
partner does not
have the appropriate type.
1)
overview of the context menu.
Remedy
Replace display and operating
unit.
Software update is recom-
mended.
Disconnect power supply from
the pump and switch it on again.
Replace temperature sensor.
Select/install appropriate twin-
head pump partner.
Reduce fluid temperature.
Check type and software of the
partner pump.
en-US
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