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8.16 Code 95 (Limit exceeded 2)
•
Warning code 95 is shown on the display if you press
the Up or Down button.
•
Alarm code 95 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
The warning symbol on the display turns yellow, and the pump's
operating mode is unchanged.
•
Alarm code or warning code Limit exceeded, sensor 2 is
displayed in Grundfos GO Remote.
Cause
The limit exceeded 2 parameter
set in Grundfos GO Remote is
exceeded.
8.17 Code 117 (Door opened)
•
Warning code 117 is shown on the display if you press
the Up or Down button.
•
The warning symbol on the display turns yellow and the
operating mode of the pump is unchanged.
•
Warning code Door opened is displayed in Grundfos GO
Remote.
Cause
The door to the control-unit
room has been opened.
8.18 Code 130 (Cable theft)
•
Warning code 130 is shown on the display if you press
the Up or Down button.
•
The warning symbol on the display turns yellow, and the pump's
operating mode is unchanged.
•
Warning code Cable theft is displayed in Grundfos GO Remote.
Cause
The cable is missing or
defective.
8.19 Code 157 (Real-time clock monitoring)
•
Warning code 157 is shown on the display if you press the Up
or Down button.
•
The warning symbol on the display turns yellow, and the pump's
operating mode is unchanged.
•
Warning code Real-time clock out of order is displayed in
Grundfos GO Remote.
Cause
The battery for the real time
clock is missing or worn out so
the product is unable to
maintain time and date.
8.20 Code 159 (Communication error CIMxxx)
•
Warning code 159 is shown on the display if you press
the Up or Down button.
•
The warning symbol on the display turns yellow and the pump's
operating mode is unchanged.
•
Warning code Communication error CIMxxx is displayed in
Grundfos GO Remote.
•
The CIM module is unable to communicate with the product.
Cause
The CIM module is installed
incorrectly.
The CIM module is defective.
Remedy
1. Check the input.
2. Change the configuration by
adjusting the limits set in
Grundfos GO Remote.
Remedy
•
Check the room with the
control unit.
Remedy
•
Verify that the cable is
missing.
•
Inspect the cable.
Remedy
•
Replace the battery with a
new one.
Remedy
•
Ensure that the module,
including cables, is fitted
correctly.
•
Contact Grundfos.
Related information
2.2.2 Installing a communication interface module
8.21 Code 165 (Signal fault)
•
Alarm code 165 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Signal fault is displayed in Grundfos GO Remote.
Cause
The signal from the sensor is
out of the configured range.
8.22 Code 191 (High water level)
•
Alarm code 191 is shown on the display.
•
The alarm symbol on the display turns red, but the pump's
operating mode is unchanged.
•
Alarm code High water level is displayed in Grundfos GO
Remote.
Cause
The defined start level did not
start the pump.
The pump is not big enough to
remove the water.
The level sensor is defective
and not reacting on level
changes.
Related information
3.6 Configuring the IO terminals using Grundfos GO Remote
8.23 Code 205 (Level switch inconsistency)
•
Alarm code 205 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Level switch inconsistency is displayed in
Grundfos GO Remote.
Cause
A float switch could be
defective or stuck.
Related information
3.6 Configuring the IO terminals using Grundfos GO Remote
8.24 Code 225 (Communication error pump module)
•
Alarm code 225 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Communication fault, pump module is displayed
in Grundfos GO Remote.
•
The product is unable to communicate with the IO module.
Cause
The connection to GENIbus is
missing.
The pump module is defective.
8.25 Code 226 (Communication error IO module)
•
Alarm code 226 is shown on the display.
•
The alarm symbol on the display turns red and the pump stops.
•
Alarm code Communication fault, I/O module is displayed in
Grundfos GO Remote.
•
The product is unable to communicate with the IO module.
Remedy
•
Go to Settings > Level
control in Grundfos GO
Remote and ensure that the
configured range corresponds
to the physical application
type.
•
Change the sensor, if needed.
Remedy
•
Check and configure the
sensor start level.
•
Contact Grundfos or an
authorised service workshop.
•
Check the functionality of the
level sensor.
Remedy
•
Check the functionality of
each float switch.
Remedy
•
Check the GENIbus
connection cable between CU
24X and IO 242.
•
Contact Grundfos.
23
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