Grundfos PHP A-1 4.0 Instruction Manual page 38

PHP A-1 Instruction Manual / Warnings and fault messages
No Message
El2:transmitter PLlo
E12
meas.signa1 too high
El3:transmitter PLlo
E13
meas.signa1 too 1ow
El4:transmitter PLlu
E14
meas.signa1 too high
El5:transmitter PLlu
E15
meas.signa1 too 1ow
E16: dr'= run Protec.
E16
has been activated
38
Description
Measurement signal of
pressure transmitter PL1o
(vessel pressure top) is
above the normal
valid range.
Measurement signal of
pressure transmitter PL1o
(vessel pressure top) is
below the normal
valid range.
Measurement signal of
pressure transmitter PL1u
(vessel pressure bottom) is
above the normal
valid range.
Measurement signal of
pressure transmitter PL1u
(vessel pressure bottom) is
below the normal
valid range.
Dry run protection for
pressure maintenance pump
has been activated for at
least one time.
Check/Repair
- connection from pressure
transmitter PL1o incorrect
or damaged
- pressure transmitter defect
- measure input of basic
circuit board defect
- pressure transmitter PL1o
is disconnected
- connection from pressure
transmitter is incorrect
or damaged
- pressure transmitter
is defective
- measure input of basic
circuit board is defective
- connection of pressure
transmitter PL1u is
incorrect or damaged
- pressure transmitter is
defective
- measure input of basic
circuit board is defective
- pressure transmitter PL1u
is disconnected
- connection from pressure
transmitter is incorrect
or damaged
- pressure transmitter
is defective
- measure input of basic
circuit board is defective
This message could appear
if fresh water supply is
closed, back feed module is
defect, makeup amount is
exceeded, Refill outstripping
infill, etc.
After reaching the minimum
level the function of the
device will be enabled
automatically. The message
must be reset manually
Necessary device options
for this message
no (contained in every
configuration
no (contained in every
configuration)
no (contained in every
configuration)
no (contained in every
configuration)
no (contained in every
configuration)