Wilo Stratos MAXO Instrucciones De Instalación Y Funcionamiento página 102

Installation and operating instructions Wilo-Stratos MAXO/-D/-Z
Faults, causes, remedies
Code Fault
There is externally gen-
erated flow through the
pump in the direction of
552
flow.
Additional information about causes and remedy:
The pump can start despite flow.
Control module faulty.
553
Additional information about causes and remedy
The pump is running, but cannot provide full power under the circumstances.
Contact service.
1)
MFA pump is not
reachable.
554
Additional information about causes and remedy
1)
In the MFA overview, check the pump highlighted with (!).
The supply is ensured, a substitute value is assumed.
No plausible sensor
value at analogue input
AI 1.
555
Additional information about causes and remedy
Incorrect sensor values may lead to replacement operation modes
that ensure functioning of the pump without the required sensor value.
Cable break at analogue
input AI 1.
556
Additional information about causes and remedy:
Cable break detection may lead to replacement operation modes that ensure
functioning of the pump without the required external value.
No plausible sensor
value at analogue input
AI 2.
557
Additional information about causes and remedy
Incorrect sensor values may lead to replacement operation modes
that ensure functioning of the pump without the required sensor value.
Cable break at analogue
input AI 2.
558
Additional information about causes and remedy:
Cable break detection may lead to replacement operation modes that ensure
functioning of the pump without the required external value.
Control module too hot. Permissible temper-
559
Additional information about causes and remedy:
Limited operation of the pump to avoid damage to the electronic compon-
ents.
Incomplete software
update.
560
Additional information about causes and remedy:
Software update was not carried out; pump continues to operate with previ-
ous software version.
Voltage analogue input
561 overloaded (binary).
Cause Remedy
External influences Check power control of the
cause flow in the other pumps.
pump's direction of
flow.
Control module Replace the control mod-
faulty. ule.
1)
A MFA partner pump Check Wilo Net connection
no longer reacts to or power supply of the
requests. partner pump.
The configuration Check configuration of the
and the present sig- input and connected
nal lead to an unus- sensor.
able sensor value.
The configuration Check configuration of the
and the present sig- input and connected
nal help identify the sensor.
cable break.
The configuration Check configuration of the
and the present sig- input and connected
nal lead to an unus- sensor.
able sensor value.
The configuration Check configuration of the
and the present sig- input and connected
nal help identify the sensor.
cable break.
Ensure permissible ambi-
ature of the control ent temperature. Improve
module exceeded. room ventilation.
The software update Software update with new
was not completed. software bundle is recom-
mended.
Voltage analogue in- Check line and consumers
put short-circuited or connected to power supply
too heavily loaded.
en
213