Gebwell GEMINI 40, Installation, Operation And Maintenance Manual

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