Grundfos PHP A-1 4.0 User Manual

PHP A-1 Instruction Manual / Warnings and fault messages
No Message Description Check/Repair
Necessary device options
for this message
E0 E0: device is disab1ed
Device has been
deactivated by pressing
key 0 and confirming
the request.
Message resets itself after
enabling the device by
pressing key 1.
First check the reason for
the deactivation and if an
enabling is possible again.
no (contained in every
configuration)
E1
El: data 1ink error to
basic circ. Board
At the communication
between the central
processing board and the
basic circuit board occurred
a fault.
Basic circuit board: the
middle LED has to flash
permanently. The green one
shows the data transfer and
must flash at least every
second. Check connections
and if ok the central
processing board or the basic
circuit board is damaged
no (contained in every
configuration)
E2
E2: PumP Ml start
fai1ed
Device control enabled
the output (A_PHASE_0)
for pump M1 but the
checkback signal for the
pump motor (DI_0) did not
arrive in time.
- integrated motor
temperature switch Z1/Z2
has been activated (after
cooling down pump can
restart if necessary)
- break
- incorrect contact
- defect output A_PHASE_0
no (contained in every
configuration)
E3
E3: PumP Ml stoP
fai1ed
Device control disabled the
output (A_PHASE_0) for
pump M1 but after this at
least one checkback signal
of the pump motor (DI_0)
was received.
- incorrect contact
- defect output A_PHASE_0
- defect input DI_0
no (contained in every
configuration)
E4
E4: read error I2C
basic circuit board
The internal communication
at the I2C-bus on the basic
circuit board failed.
- confirm message. If the
message appears anew the
basic circuit board obviously
is defective.
no (contained in every
configuration)
E5
E5: max. run-time
PumP Ml exceeded
By starting pump M1 a
monitoring time checks if
the pump is able to raise
the pressure and turn off in
a defined time. If not, an
error message appears.
Pump disabled.
- check if a permanent
decrease of plant
pressure occurs
- configuration of the upper
working pressure has been
changed without using the
pressure settings function
of the control electronics.
Check pressure settings
and confirm
Fault messages (the device can‘t be operated correctly,
check and repair the cause of the fault immediately.)
associated control lamp
36

Grundfos PHP A-1 4.0 Specifications

General

Brand	Grundfos
Model	PHP A-1 4.0
Category	Water Pump
Language	English