25
Alarm (3) continued
MPC alarm indication
"Protocol description"
Alarm
code
Associated
device and
device no.
Description/cause
Remedy
Reset
type
1
Alarm/warning
Action type
2
1.
Water shortage, level 1
*Water shortage, level 1
206
System
a) The pre-pressure
(or the level in the
feed tank) is below its
programmable
warning limit.
1. Check the actual and the
corresponding settings.
2. Check the sensor/switch,
wiring and input
according to the wiring
diagram.
3. Check the sensor/switch.
Auto
Warning
Unchanged
2.
Water shortage, level 2
*Water shortage, level 2
214
a) The pre-pressure (or
the level in the feed
tank) is below its
programmable
warning limit.
Auto/
Manual
Alarm
Stop
b) The pre-pressure
switch detect water
shortage.
Warning
Unchanged
3.
Discharge pressure high
*Pressure above max.
pressure
210
a) The system pressure
is above the
programmable high-
pressure alarm limit.
Auto/
Manual
Alarm
Fast stop (over
rule min. seq.
time)
4.
Discharge pressure low
*Pressure below min.
pressure
211
a) The system pressure
is below the
programmable low-
pressure alarm limit.
Auto/
Manual
Alarm/Warning
Stop/
Unchanged
5.
All pumps in alarm
*All pumps in alarm
203
a) All pumps, set to
Auto, is stopped on
account of pump
alarm
Troubleshoot according to
the alarm message/code:
1. System
2. Pumps installed
Use fault fault finding for
the pump.
Auto
Alarm
Stop
b) Pumps are not
indicating alarm
Check the Genibus wires eg.
connection, polarisation.
6.
External fault signal
*External fault signal
003
a) External fault digital
input activated.
1. Check the external signal
source.
2. Check the digital input
according to the wiring
diagram
Auto/
Manual
Alarm/Warning
Stop/
Unchanged
7.
Inconsistency between
sensors
*Inconsistency between
sensors
204
Primary
sensor and/or
redundant
sensor
a) Primary feedback
sensor value
(pressure) is
inconsistent with
redundant feedback
sensor value.
1. Check the wiring and
input according to the
wiring diagram.
2. Check the sensor output
according to the
measured value.
Auto
Warning
Unchanged
8.
Primary sensor
*Closed loop feedback
sensor signal fault
089
Primary
sensor
a) A fault in the sensor
assigned to the feed
back control is
detected.
1. Check the wiring and
input according to the
wiring diagram.
2. Check the sensor output
according to the
measured value.
Auto
Alarm
Stop
b) Error in the settings
of the sensor which is
assigned to the
regulator.
Check the primary sensor
settings
9. Sensor fault
*General (measurement)
sensor signal fault
088
CU 351
IO 351 as
IO module
a) The signal
(ex. 4-20 mA) from
one of the analog
sensors is outside the
selected signal
range.
1. Check the wiring and
input according to the
wiring diagram.
2. Check the sensor output
according to the
measured value
Warning
Unchanged
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Содержание BoosterpaQ Hydro MPC
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