Code
Message
Description
User action
7
No water
No cooling water connected
Provide a supply of cooling water
8
---
---
---
9
T ext Pt100
No actual value from the Pt100
module
Check the temperature probe
10
T ext analog
No actual value from the analog inter-
face
Check the temperature probe
11
T ext serial
No actual value from the serial inter-
face
Check the serial connection
12
Analog input 1
Analog module: Current interface 1,
interruption.
Check the connection
13
Analog input 2
Analog module: Current interface 2,
interruption.
Check the connection
14
High level
Float detects high level
Drain excess heat transfer liquid from
the device. Caution: risk of burns
15
Digital input
Interference signal at the input of the
contact module
(customer application)
16
Refilling
Heat transfer liquid level is too low
Refilling the heat transfer liquid
19
Gage pressure
Gage pressure in the outflow
Reduce/eliminate the hydraulic resist-
ance in the hoses or/and in the con-
sumer
20
T ext Ethernet
No actual value from the Ethernet
interface
Check the serial connection
Check whether the control station
specifies the actual temperature via
the Ethernet interface
22
Communication inter-
rupted
Connection to the control station
interrupted
Check the cable connection
23
T ext EtherCAT
No actual value from the EtherCAT
interface
Check the serial connection
24
Overtemperature
Overtemperature in expansion vessel
(T > TmaxTank)
Overtemperature in devices with pres-
sure overlay (T > Tmax_Return)
Allow the device to cool down
Table 42: Flow Controller Alarms
Code
Message
Description
User action
55
Flow meter timeout
Error in the LiBus cable connection
n
Switch off the constant tem-
perature equipment
n
Check the LiBus cable connection
and restore if necessary
n
Switching the constant tem-
perature equipment on
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