Gebwell GEMINI Installation, Operation And Maintenance Manual page 49

No: Failure message Sensor
98: Extra module 1
99: Extra module 2
100: 2 time masters
102: Clock not running
reserve
105: Maintenance notifi-
cation
106: Source temp too low
107: Hot gas, compr. 1
127: Legionella tempera-
ture
222: Heat pump pressure E10
223: Heating circuit start- E10
up pressure
224: Hot water start-up E10
pressure
v1-4 22092016
Description Cause
The controller cannot de- Failure in the electrical
tect the extra module 1 system
from the channel.
The controller cannot de- Failure in the electrical
tect the extra module 2 system
from the channel.
There are two time mas- Failure in the control sys-
ters in the cascade sys- tem
tem
The battery on the con- Failure in the electrical
troller's operating moni- system
tor is running out.
A maintenance notice is
programmed on the con-
troller.
The incoming tempera- Too low flow in the col-
ture from the collector is lector.
lower than set in the
menu. The controller will
restore the situation auto-
matically in 4 hours.
Alarm goes off, when hot
gas sensor shows 130°C.
3 alarms per 8 hours are
allowed with automatic
restoring.
The heat pump has not Domestic hot water has
been able to maintain the been used during raising
requested temperature in operation.
the legionella function.
The controller will retry
charging after minimum
idle time.
High pressure switch has Too low a flow in charg-
tripped. ing / heat supply circuit.
Radiator or floor heating
valves are shut off or set
too low. Air in the heating
system. The heating sys-
tem pressures are too low.
A clogged strainer.
High pressure switch has Too low a flow in charg-
tripped in connection ing / heat supply circuit.
with the start-up of heat- Radiator or floor heating
ing. valves are shut off or set
too low. Air in the heating
system. The heating sys-
tem pressures are too low.
A clogged strainer.
High pressure switch has Too low a flow in charg-
tripped in connection ing circuit. Air in the heat-
with the start-up of do- ing system. A clogged
mestic hot water heating. strainer.
Measure Measure
Contact a qualified Check the fastening of the flat cable
technician. between controllers. Check that the
extra module is connected to power
supply (green light).
Contact a qualified Check the fastening of the flat cable
technician. between controllers. Check that the
extra module is connected to power
supply (green light).
Contact a qualified Check in the LPB system that only
technician. the master device has been defined
as master (LPB system)
Contact a qualified Check that the flat cable is fastened
technician. properly both to the controller and
the display.
Contact a qualified Perform annual maintenance of the
technician. equipment.
Check that the shut- Check the functioning of the collec-
off valves on the col- tor.
lector are open.
Check the strainer on
the collector. If neces-
sary, contact a quali-
fied technician.
Contact a qualified Check the functioning of the cool-
technician. ing unit.
Open radiator/floor Check the functioning of the heat
heating thermostats. supply network.
Vent the heating net-
work. Check the net-
work pressure. Clean
the strainer. Check
that the charging
pump is running. If
necessary, contact a
qualified technician.
Open radiator/floor Check the functioning of the heat
heating thermostats. supply network.
Vent the heating net-
work. Check the net-
work pressure. Clean
the strainer. Check
that the charging
pump is running. If
necessary, contact a
qualified technician.
Vent the heating net- Check the functioning of the
work. Check the net- change-over valves. Check the
work pressure. Clean functioning of the charging circuit.
the strainer. Check
that the charging
pump is running. If
necessary, contact a
qualified technician.
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