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124 Coldroom door Mxx*
Coldroom door of component Mxx
*
open
Close coldroom door, check door
contact and cable connections
126 Defrost thermostat Mxx*
or
temporal defrost. Mxx*
Defrost thermostat fault at component Mxx*
or
Defrost end time at component Mxx*
Check component Mxx
*
128 Sensor fault x* Mxx*
* designates the sensor
number
(1 to 4)
Sensor fault on component Mxx
*
. Possible
causes:
Sensor has been removed
Sensor short-circuit
Electrical interference has occurred
Check connection cable
Check shield
Replace affected sensor
Sensor fault Mxx*
Sensor fault on component Mxx
*
. Possible
causes:
Sensor has been removed
Sensor short-circuit
Electrical interference has occurred
Check connection cable
Check shield
Replace affected sensor
132 133 High temp. Mxx*
Low temp. Mxx*
High / low temperature at component Mxx
*
Parametrisation
Temperature sensor
Check system
150 Verdichterstör. Mxx*
Compressor fault of an AHT case Mxx
*
with
Danfoss controller
Check compressor for component Mxx
*
*
160 Pressostat Mxx*
Pressure fault at component Mxx
*
Condenser Mxx *
*
dirty, check
164 LP too low Mxx*
Lower limit value t
0
at compressor Mxx
*
undercut
Check compressor Mxx
*
179 External alarm Mxx*
Error message of component Mxx
*
Check component Mxx
*
Wurm node error messages
128 Sensor fault Wxx*
Sensor fault on component Wxx
*
. Possible
causes:
Sensor has been removed
Sensor short-circuit
Electrical interference has occurred
Check connection cable
Check shield
Replace affected sensor
132 High temp. Wxx*
High / low temperature at component Wxx
*
Parametrisation
Temperature sensor
Check system
Other
180 Service Mode The automatic transmission of alarms has
been deactivated temporarily for maintenance
purposes.
Reset Service Mode, see
chapterService Mode - Suppression of
remote alarm signalling.
* xxx stands for the CAN bus addresses 1..127
Mxx stands for the Modbus addresses M1..M50
Wxx stands for the address of a node from the Wurm company