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Alarm lamp/buzzer: No.
Restart: Automatic once the alarm cause has disappeared.
21.10.39 CHECK CONNECTION TO I/O BOARD X
Function: Depends on the board.
Reset condition: Communication with the board is re-established.
Category: M.
Alarm lamp/buzzer: No.
Restart: Acknowledgement is required.
21.10.40 CHECK CANBUS CABLE CONNECTION
Function: Communication with the controller has been interrupted. The
controller executes a new start if the alarm is still active after two hours.
If more than three new starts have been carried out within one hour, the
alarm Too high boot count I/O board BAS x (category A),
Chapter 21.10.7.
Category: M.
Alarm lamp/buzzer: No.
Restart: Acknowledgement is required.
▶ Contact the dealer if the warning recurs often.
21.10.41 CHECK CONNECTION TO ROOM SENSOR E1X.TT (ROOM
CONTROLLER)
Function: Activated when communication with the room controller is
terminated.
Reset condition: Communication with the board is re-established.
Category: M.
Alarm lamp/buzzer: Yes/No.
Restart: Acknowledgement is required.
21.11 ALARM LOG
The alarm log shows the alarms, warnings and other information that has
come up. Alarm category ( Chapter 21.8) is displayed in the top left
corner of the display and if the alarm is active, the alarm symbol is
displayed both in the alarm log and the initial menu of the control panel.
21.12 ALARM HISTORY
The alarm history saves complete information about the latest 20
alarms/warnings. Older alarms are displayed with limited information.
The latest alarm is listed as number 1.
Press
and turn the dial to see all information about the alarm. Turn
the dial to see more alarms.
The information shows the current values immediately after the
appearance of the alarm but before action/cancellation.
Information
Alarm category
Alarm text
Start date, Start time
Stop date, Stop time
=======================
Heat pump x
Additional heat
=======================
T1 Flow line
T1 Flow line set point value
Table 173 Information in Alarm history
6 720 806 768 (2013/02)
Comment/Value
Letter (Table 172). Displayed in the
top left corner of the display.
Displayed at the top of the display. Full
component name is most often
indicated.
Indicates when the alarm occurred
Indicates when the alarm was
acknowledged/cancelled
On (/%)/ Off
%/Off/Blocked
Current value
Current set point value
Information
T2 Out
Hot water
Hot water set point value
T5 Room
Room
G1 Heat carrier pump
=======================
Heat pump E2x
E2x.T6 Hot gas
E2x.T8 Heating medium out.
E2x.T9 Heating medium in
E2x.T10 Collector circuit in
E2x.T11 E2x.T10 Collector circuit
out
E2x.RLP Low pressure switch
E2x.RHP High pressure switch
E2x.G2 Heat carrier pump
E2x.G3 Collector circuit pump
E2x.Q21 3-way valve
Table 173 Information in Alarm history
21.13 INFORMATION LOG
The information log shows information from the heat pump.
21.13.1 HIGH FLOW TEMPERATURE E2X.T8
Function: Compressor stops. Activated when the temperature on
sensor T8 exceeds the maximum permitted temperature for T8.
Reset condition: Restarts when E2x.T9 falls below the saved
temperature with hysteresis on 3K (not adjustable).
Category: I.
21.13.2 TEMPORARY HEAT PUMP STOP E21.RLP
Function: Activated when the pressure in the refrigerant circuit of the
heat pump becomes too low. If the information appears several times
during a certain time period, the information transforms into a category
A alarm ( Chapter 21.10.2).
Reset condition: The pressure goes back to the permitted level.
Category: I.
21.13.3 TEMPORARY HEAT PUMP STOP E21.RHP
Function: Activated when the pressure in the refrigerant circuit
becomes too high. If the information appears several times during a
certain time period, the information transforms into a category A alarm
( Chapter 21.10.3).
Reset condition: The pressure goes back to the permitted level.
Category: I.
21.13.4 LOW TEMPERATURE COLLECTOR CIRCUIT IN E2X.T10
Function: The information is given if the temperature of the collector
circuit in is too low. First, information is given. If the information appears
several times during a certain time period, the information transforms
into a category A alarm.
For settings of T10: (Chapter 20.9).
Alarm timer starts: Yes.
Reset condition: T10 exceeds the lowest permitted temperature T10
plus hysteresis.
Category: J which goes over into A.
ALARMS
Comment/Value
Current outdoor temperature
Calculated hot water temperature
Current value if room controller exists
Current value if room controller does not
exist/is used
Off/On
Current value
Current value
Current value
Current value
Current value
OK/Error
OK/Error
Off/On
Off/On
Off/On
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