PHP A-1 Instruction Manual / Warnings and fault messages
No Message Description Check/Repair
Necessary device options
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E27
E27: makeuP:
maximum run-time
exceeded
By starting makeup a
monitoring time checks if
the makeup is able to raise
the level and turn off in a
defined time. If not, this error
message appears.
- no or too little makeup
water supply pressure
- shutoff device of EMCF-1 V
is closed
- makeup valve doesn’t
open: damaged or
disconnected
- basic circuit board
damaged
- level measurement doesn’t
work correctly
makeup module EMCF-1 V
E28
E28: softenin’:I MWE
chan’:Ie cartrid’:Ie
The capacity of the MWE’s
softening cartridge is
depleted, a correct softening
is not ensured anymore.
Thus the EMCF-1 V makeup
module is disabled too.
change cartridge and
confirm it in the control
electronics “actions” menu,
so makeup is enabled again.
makeup module EMCF-1 V
and softening MWE
E29
E29:transmitter PL2o
meas.si’:Ina1 too hi’:Ih
Measurement signal of
pressure transmitter PL2o
(vessel pressure top) is
above the normal
valid range.
- connection from pressure
transmitter PL2o incorrect
or damaged
- pressure transmitter defect
- measure input of basic
circuit board defect
level measurement 2
E30
E30:transmitter PL2o
meas.si’:Ina1 too 1ow
Measurement signal of
pressure transmitter PL2o
(vessel pressure top) is
below the normal
valid range.
- pressure transmitter PL2o
is disconnected
- connection from pressure
transmitter is incorrect
or damaged
- pressure transmitter
is defective
- measure input of basic
circuit board is defective
level measurement 2
E31
E31:transmitter PL2u
meas.si’:Ina1 too hi’:Ih
Measurement signal of
pressure transmitter PL2u
(vessel pressure bottom) is
above the normal
valid range.
- connection of pressure
transmitter PL2u is
incorrect or damaged
- pressure transmitter
is defective
- measure input of basic
circuit board is defective
level measurement 2
41
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