Alarm
Rego 1000 – 6 721 831 662 (2021/03) en
15
7.5
Alarm categories
The alarms are divided into different categories depending on the type
and seriousness of the fault. Alarm category is displayed in the alarm
window and alarm log.
Categories A-H are alarms, categories I-J are warnings/information, categories K-M are warnings, category Z is information.
[In]
Temporary stop of compressor. The information may recur a
number of times during a certain time period; if there are more
during the period, a category A alarm is sounded.
[J]
Temporary stop of compressor. The information may recur a
number of times during a certain time period; if there are more
during the period, a category A alarm is sounded.
[M]
Used for board connection problems.
7.6
Alarm window
When an alarm/warning occurs, the display shows information about
what has happened. At the same time, information is saved in the alarm
log. The alarm symbol is displayed in the initial menu of the control panel
(
Chapter 4.3).
Example of an alarm:
Fig. 26
7.7
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 installer.
E21 refers to heat pump 1, E22 refers to heat pump 2.
E11 refers to circuit 1, E12 circuit 2, E13 circuit, 3, etc.
Txx refers to different temperature sensors.
7.7.1
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.
▶ Contact the dealer if the alarm remains active for more than three
hours or recurs often.
7.7.2
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.
▶ Check and clean the particle filter when required.
▶ Contact the dealer if the alarm remains after acknowledgement.
7.7.3
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.
▶ Contact the dealer if the alarm remains after acknowledgement.
7.7.4
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.
▶ Contact the dealer if the alarm remains after acknowledgement.
7.7.5
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.
Meaning
A
B
C
D
E
F
G
h
In
J
K
L
M
Z
Stops the compressor
X
X
X
X
X
X
X
Stops additional heat
X
X
X
Alarm lamp, alarm buzzer is activated
X
X
X
X
X
X
X
X
Alarm delay
5s
3s
15 min
1 min
5s
1s
1s
1s
5s
5s
2s
5s
0s
0s
Requires acknowledgement to restart
X
X
X
X
X
Can be restarted before acknowledgement
X
X
X
X
X
X
X
Menu display must be acknowledged
X
X
X
X
X
X
X
X
X
X
Placed in the information log
X
X
X
Table 10 Alarm categories
6 720 807 583-12.1I
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