Grundfos PHP A-1 4.0, Инструкция по эксплуатации

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PHP A-1 Instruction Manual / Warnings and fault messages
No Message Description Check/Repair
Necessary device options
for this message
E22
E22: temPerat.sensor
T2 break
The resistance of the sensor
is too high and exceeds the
valid range.
- incorrect connection of
the sensor at the control
electronics
- sensor connection is
broken or damaged
- sensor element defective
- sensor T2 has been
activated while it is
not installed
sensor T2
E23
E23: PumP M2 start
fai1ed
Device control enabled
the output (A_PHASE_1)
for pump M2 but the
checkback signal for the
pump motor (DI_1) 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_1
- defect input DI_1
system PHP
(pump 2)
E24
E24: Pump M2
stoP f-=iled
Device control disabled the
output (A_PHASE_1) for
pump M2 but after this at
least one checkback signal
of the pump motor (DI_1)
was received.
- incorrect contact
- defect output A_PHASE_1
- defect input DI_1
system PHP
(pump 2)
E25
E25: max. run-time
PumP M2 exceeded
By starting pump M2 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 plant if a permanent
decrease of pressure
happens
- configuration of the upper
working pressure had been
changed without using the
pressure setting function.
Check pressure setting
and confirm message.
system PHP
(pump 2)
E26
E26: makeuP MCF
amount exceeded
The set maximum makeup
amount has been used and
so makeup is disabled.
Check if consumption
is in line with the usual
consumption of the plant
or if an extraordinary event
happened (leakage,…). Only
if consumption is ok, reset
the amount so that the full
amount is available again
and makeup is possible.
makeup module EMCF-1 V
40