© 2018 Flamco group. All rights reserved.
We reserve the right to change designs and technical specifications of our products.
Errors and omissions excepted.
Rev 1.0 Aug-18
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38
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44
Symptom
Problem
Solution
The break tank is overfilling and
discharging water to drain or
over the weir
The wrong/no flow restrictor is
installed in the float valve (mini and
midi units only)
Check float valve flow restrictor
selection (mini and midi units only)
The float valve position is set
incorrectly
Set the float valve to its lowest
possible position
The float valve has failed
Replace float valve
A pump non-return valve has failed
Replace non-return valve
The pump is repeatedly running
in short bursts
The internal isolation valve within
the unit is partially closed
Fully open the internal isolation valve
The restriction in the connecting
pipe work is too great
Increase bore/ reduce number of
bends/ reduce length of connecting
pipe work
A pump non-return valve has failed
Replace non-return valve
The expansion vessel has failed or
lost its pre-charge
Check the expansion vessel pre-charge
and re-charge if necessary
The point of connection of the unit is
too far away from the expansion
vessel
Move unit/expansion vessel
connection points closer together.
The buttons on the digital
controller do not respond
The plastic housing of the digital
controller has come apart and the
PCB has moved
Reassemble the digital controller
housing and ensure that the PCB is
properly seated
The digital controller
parameters are being corrupted
The controller is beings subject to
power spikes
Fit a suitable power filter
The digital controller does not
power up when the unit is
switched on
The fuse has blown
Replace the fuse
The mains power supply is at an
incorrect voltage or frequency
Check mains power supply
The 12V transformer has failed
Replace Transformer
The digital controller has failed
Replace digital controller
SERVICE is displayed on the
screen
The unit is due an annual service
Contact service engineer
