![background image](http://html.mh-extra.com/html/ivt/greenline-he-c6-c11/greenline-he-c6-c11_user-manual_2097782026.webp)
Alarm
6 720 643 415 (2010/03)
26
11.7 Alarm functions
The different alarms that can occur are presented here,
the alarm text is indicated in the heading.
Most alarm texts contain a designation of the part of the
heat pump that has caused the alarm. Always indicate
the whole alarm information when you are in contact
with the service/dealer.
E21 refers to top heat pump 1, E22 refers to bottom heat
pump 2.
E11 refers to circuit 1, E12 circuit 2, E13 circuit, 3, etc.
Txx refers to different temperature sensors.
11.7.1 High hot gas temperature E2x.T6
Function:
Compressor stops. Activated when the
temperature from the compressor becomes too high.
The alarm can occur in individual cases under extreme
service conditions.
Alarm timer starts:
Yes.
Reset condition:
The hot gas temperature drops to the
permitted temperature.
Category:
A.
Alarm lamp/buzzer:
Yes.
Restart:
Acknowledgement is required.
B
Contact the dealer if the alarm remains active for
more than three hours or recurs often.
11.7.2 Tripped low pressure switch E2x.RLP
Function:
Compressor stops. Activated when the
pressure in the refrigerant circuit of the heat pump
becomes too low.
Alarm timer starts:
Yes.
Reset condition:
The pressure goes back to the
permitted level.
Category:
A.
Alarm lamp/buzzer:
Yes.
Restart:
Acknowledgement is required.
B
Check that the air ways to and from the heat pump are
not obstructed.
B
Contact the dealer if the alarm remains after
acknowledgement.
11.7.3 Tripped high pressure switch E2x.RHP
Function:
Compressor stops. Activated when the
pressure in the refrigerant circuit becomes too high.
Alarm timer starts:
Yes.
Reset condition:
The pressure goes back to the
permitted level.
Category:
A.
Alarm lamp/buzzer:
Yes.
Restart:
Acknowledgement is required.
B
Contact the dealer if the alarm remains after
acknowledgement.
11.7.4 Low pressure collector circuit
Function:
Compressor stops. Activated when the
pressure in the collector circuit becomes too low.
Alarm timer starts:
Yes.
Reset conditon:
The pressure goes back to the
permitted level.
Category:
A.
Alarm lamp/buzzer:
Yes.
Restart:
Acknowledgement is required.
B
Contact the dealer if the alarm remains after
acknowledgement.
11.7.5 Low temperature collector circuit in E2x.T10
Function:
Alarm is given if the collector circuit
temperature is too low and if warning of this has been
given several times.
Alarm timer starts:
Yes.
Reset condition:
The collector circuit temperature
exceeds the lowest permitted temperature.
Category:
A.
Alarm lamp/buzzer:
Yes.
Restart:
Acknowledgement is required.
B
Contact the dealer if the alarm remains after
acknowledgement.