Trouble Shooting - Uvar UDI 6Matic 706M002 Maintenance Manual

10 - TROUBLE SHOOTING

# Problem
System does Power
not work
1
Fault lamp
No water Valve
2
flowing
Flow rate is Water
low or pressure (inlet)
outlet or line
pressure is pressure
3
low.
Pressure Pressure drop
drop too on filter -
5 high difference in
readings of
pressure gage
D.P. remains
high after a
flush cycle
6
Flush valve Dirt on the
7 does not valve's seat
close
Flush valve Solenoid valve
8 does not lamp light not
open ON
Flush cycles Raw water
are too
9
frequent
UDI 5-3-2020
Maintenance Manual -
Check If
Main switch
OFF
Main switch
ON
Not open
Pressure is
low (usually
below 2,4 bar
/ 35 psi)
Normal
D.P. is high,
over 0.5 bar,
(7 psi).
Dirty
Dirt load is
high or
"sticky" or a
defect
6Matic.
Solution
Check main switch is ON
Check Power supply is available
(electricity).
Check Fuses/overload
Check for possible reason - remedy
Open valves
Press Manual Flush button
(when all required valves are open).
Increase pressure to normal:
-Water company
-Pumps
-Remote valves
-Main Line blocking
Go to next line
Trigger a flush cycle
Check flow rate - if not excessive (higher
than design flow rate).:
Repeat the above mentioned (Manual
Flush) and if D.P. is high:
● Check for any disconnected or
leaking control tubes and
disconnected wires
● Unusually high dirt load beyond
design- call service meanwhile
reduce flow rate.
● Unusual Blocking of filter (close
isolation valves) dismantle filter and
clean screens (See chapter 9.7).
Close water entry - release pressure and
clean valve.
Wiring problem - replace solenoid if
faulty.
Contact your installer.
25