Troubleshooting - FLOWTECH flowpress Operation And Maintenance Manual

Troubleshooting

Please note that incorrect set-up conditions can lead to repeated errors and inhibit the intended use.
We strongly recommend that these parameters are not adjusted without first contacting our after-sales
service department, Flowcare on 0333 200 1813.
Please use this table for information only.
Warnings
Error Notification
64 High Pressure
65 Amount top-
up water too
much
Low pressure
66
67 Number of
refills within
certain time
exceeded
68 Supply
pressure
too low
70 Supply
pressure
sensor no
signal
flowpress
Problem
The isolation valve at the bottom
of the unit is closed.
The system pressure has risen
above High pressure setpoint.
The expansion vessel has failed or
lost its pre-charge.
The expansion vessel is
undersized.
The high pressure set point is too
low.
A large amount of water has
been lost from the system.
The unit is undersized for the
system.
The isolation valve at the
bottom of the unit is closed.
The system pressure has fallen
below the Low pressure set point.
The Low pressure set point is
too high.
Continuous low pressure can
indicate a leak in the system.
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 isolation valve at the
bottom of the unit is closed.
The mains water supply to the
unit has been isolated.
The mains water pressure is
poor.
The pressure sensor is not
connected.
The pressure sensor has failed.
Direct O&M Manual
Solution
Open the isolation valves at the
bottom of the unit.
Decrease system pressure using
a suitable drain point
Check the expansion vessel pre-
charge and re-charge if necessary
Review the expansion vessel
selection
Review the system specifications
Check system for leaks or traces
of water loss.
Review unit selection
Open the isolation valves at the
bottom of the unit.
Increase system pressure using a
filling loop, or enable the system fill
option.
Review the system specifications.
Check system for leaks or traces
of water loss.
Check system for leaks or traces
of water loss.
Review unit selection
Contact Flowtech Service.
Open the isolation valves at the
bottom of the unit.
Turn on the mains water supply.
Contact Flowtech Service.
Check for loose wiring on the
pressure sensor.
Replace pressure sensor
25