Grundfos PHP A-1 4.0 Instruction Manual page 42

PHP A-1 Instruction Manual / Warnings and fault messages
No Message
E32:transmitter PL2u
E32
meas.si':Ina1 too 1ow
E42: deminera1. MVE
E42
chan':Ie cartrid':Ie
E43: ext.fau1t via
E23
di':Iita1 inPut
42
Description
Measurement signal of
pressure transmitter PL2u
(vessel pressure bottom) is
below the normal
valid range.
The capacity of the MVE's
demineralisation cartridge
is depleted, a correct
demineralisation is not
ensured anymore. Thus the
EMCF-1 V makeup module
is disabled too.
Error is triggered from the
break tank "Fault: contact
open": potential- free contact
between terminal 83 and
AGND is open.
"Fault: contact closed":
potential-free contact
between terminal 83 and
AGND is closed.
Check/Repair
- pressure transmitter PL2u
is disconnected
- connection from pressure
transmitter is incorrect
or damaged
- pressure transmitter
is defective
- measure input of basic
circuit board is defective
change cartridge and
confirm it in the control
electronics "actions" menu,
so makeup is enabled again.
- Check the actual (switching)
statu resp. the function of
the device connected to the
digital input.
- Check the electrical wiring
between terminal 83 and
AGND
Necessary device options
for this message
level measurement 2
makeup module
EMCF-1 V and
demineralisation MVE
digital input must be set in
device set-up and it must be
electrically connected