oventrop Regumaq K Notice D'installation Et D'utilisation page 48

Diagnosis and troubleshooting
cascade control set "Regumaq K"
Consecutive
Error indication
number
Two slave actuators
14
always work
simultaneously
Actuator in the
15
"open" position,
no flow
Actuator changes its
position
– sluggishly
or
– too slow
16
or
– jerkily
or
– does not reach the
limit stop
48
Detection,
Possible reason
control option
Compare imprinted
Oventrop item
Two slave actuators numbers (at the
with identical address front on the top) or
individual figures
2/3/4 (laterally)
Isolation at another
location, e.g. ball Visual test
valve in the station
Press manual
override buttons
Actuator and ball and lock them
valve have not been (see paragraph 6.3).
aligned according to Set handle of the
the installation actuator to closed
instructions (actuator position. Draw off
in the "open" position hot water and read
mounted onto the off the flow rate from
closed ball valve) the controller display
of the respective
station.
Unscrew actuator
from the ball
valve, keep
acknowledgement
button pressed and
Stiff actuator
operate actuators
by hand. Is the
actuator stiff
compared to the
other actuators?
Unscrew actuator
from the ball valve
and operate the ball
valve with the help
Stiff ball valve of the handle of the
actuator. Is the ball
valve stiff compared
to the other ball
valves?
1381082
1381083
1381084
(Accessories and spare parts see chapter 13)
Solution
Each slave (2/3/4) must only be
used once within one cascade
Set all isolating devices to
operating position
Remove actuator and refit it
step by step according to the
installation instructions
(paragraph 6.3)
Replace stiff actuator
For re-assembly see
installation instructions
chapter 6
Replace stiff ball valve