FLOWTECH flowpress Operation And Maintenance Manual page 26

Error Notification
71 Supply
pressure
sensor short
circuit
72 Self-learning
correction
error
73 Manual mode
74 Maximum
top-up time
exceeded
75 No top-up
flow
76 Maintenance 1
is due
77 Maintenance 2
is due
Maintenance
78
3 is due
Maintenance
79
4 is due
80 System fill is
active. Press V
to stop.
81 System fill is
on hold. Press
V to start.
82 Anti-legionella
flush running
83 Device
restarted
Problem
The pressure output range is
out of detectable area. Sensor
needs calibrating
The pressure sensor has failed.
System too small for the unit
System has no flexibility for
pressure changes
System pipe diameter is too
small
Manual mode is activated. The
valves can now be manually
activated.
A large amount of water has
been lost from the system.
The unit is undersized for the
system.
Flood limit time is too short.
The mains water supply to the unit
has been isolated.
The isolation valve at the bottom of
the unit is closed.
The unit is due an annual service.
The unit is due an annual service.
The unit is due an annual service.
The unit is due an annual service.
System is being topped up from
empty
System has paused top up
because top up time has
exceeded fill time.
The unit is cleaning the pipes
by flushing water to the drain.
The unit has been unplugged and
was unable to top-up during this time.
The unit has lost mains power due to
power cut and was unable to top-up
during this time.
Solution
Consult Flowtech
Replace pressure sensor.
Check if the system meets the
size requirements for the unit.
Place an expansion vessel in
the system.
Check the connection requirements
of the unit. Do not connect the unit to
pipes smaller than the suggested
connection diameter.
No action needed, the warning will
disappear once manual mode is
exited.
Check system for leaks or traces
of water loss.
Review unit selection
Consult Flowtech
Turn on the mains water supply.
Open the isolation valves at the
bottom of the unit.
Contact Flowtech Service.
Contact Flowtech Service.
Contact Flowtech Service.
Contact Flowtech Service.
Press the tick button on the controller
to stop System fill function
If continuing system filling is required,
Press the tick button on the controller
to start System fill function again.
No action needed, this procedure
lasts approximately 2 minutes.
Thereafter the unit will continue
normal operation.
Clear warning on screen. The warning
should not come back.
Check for other warnings that
resulted due to prevention of top-up.
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