Grundfos PHP A-1 4.0, Инструкция по эксплуатации

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PHP A-1Instruction Manual / Warnings and fault messages
35
INFORMATION
After repairing the reason for the error, the warning or
fault messages can be reset individually or all together.
For this purpose follow the menu navigation.
No Message Description Check/Repair
Necessary device options
for this message
W20
Wl7: deminera1.
MIJE remain.
caPacit’:1<20%
The remaining amount of
the demineralisation
cartridge from MVE is less
than 20%. If the amount is
completely used makeup
can’t be used anymore.
Provide spare cartridge
in time and change it at
latest if the old capacity is
completely used.
makeup module EMCF-1 V
and demineralisation MVE
W21
W2l: b1ocking temP.
Tl sensor Tl be1ow
The minimum temperature
at sensor T1 has been
undercut. Degassing is
deactivated as long as the
temperature is too low. After
this it will be enabled again.
Recurring undercuts of
the minimum temperature
at sensor T1 mean too
low temperatures at the
connection point. On-site
steps (e.g. EV/ET vessel
etc.) are necessary to avoid
damage of the device (e.g.
armatures, bubble etc.)
no (contained in every
configuration)
W22
W22: b1ocking temP.
T2 sensor T2 be1ow
The minimum temperature
at sensor T2 has been
undercut. Degassing is
deactivated as long as the
temperature is too low. After
this it will be enabled again.
Message is only an advice.
The sensor T2 is decided
to disable degassing in
such situations with too low
temperatures.
sensor T2
W23
W23: ext.warning via
digita1 inPut
Warning is triggered from
the break tank
“Warning: contact open”:
potential- free contact
between terminal 83 and
AGND is open.
“Warning: contact closed”:
potential-free contact
between terminal 83 and
AGND is closed.
Check the actual (switching)
status resp. the function of
the device connected to the
digital input.
Check the electrical
wiring between terminal
83 and AGND
digital input must be set
in device set-up and it must
be electrically connected