34
19.2.3. HEATING MODE
FAULT
LED LARM
CODE
POSSIBLE CAUSE
CORRECTIVE ACTION
ACTION FOR CANCELLING FAULT CODE
AFTER CORRECTION
Haute pression ou
défaut du débit
d'eau
100000000
1 flashe
Insufficient airflow
Check proper fan operation.
Cut the mains power supply for 5 seconds, and
then reconnect.
Clogged filters.
Clean or replace the filters.
Too high aeraulic pressure loss due to an obstruc-
tion in the intake duct.
Test the aeraulic network.
Insufficient water flow or no water flow at the level
of the appliance.
Test the flow from the pump on the main loop.
Stop cock or water inlet valve shut (**)
Test the valve electrical supply. Test the direction
of flow. Open the valve.
Faulty pressure differential
Check electrical connections.
Pressostat defective, broken wire or short circuit.
Check the proper connection of the HP
pressostat and/or conduct a continuity test.
Low pressure
110000000
2 flashes
Insufficient water flow in the appliance.
Test the pump flow at the level of the main loop.
The fault code is automatically cancelled after
correction(***).
The LED stops flashing and the green light
remains on.
Pressostat sensor defective, broken wire or short
circuit.
Check the proper connection of the LP
pressostat and/or conduct a continuity test.
Refrigerant leak.
Find and repair any leaks on the pipe circuits.
Water inlet valve closed (**)
Test the valve electrical supply. Test the direction
of flow.
Low water
temperature limit
111110000
5 flashes
Hot water loop temperature < 13°C .
Test the temperature at the level of the main
loop.
The fault code is automatically cancelled after
correction(***).
The LED stops flashing and the green light
remains on.
Insufficient water flow.
Test the water flow at the level of the main loop.
High water
temperature limit
111111000
6 flashes
Hot water loop temperature > 35°C
Test the temperature at the level of the main
loop.
The fault code is automatically cancelled after
correction(***).
The LED stops flashing and the green light
remains on.
Insufficient water flow.
Test the water flow at the level of the main loop.
(**)
This case only concerns installations where the valve is fitted on the water loop upstream of the machine.
(***)
Lockout if 3 faults within 1 hour. Cut the mains power supply for 5 seconds, and then reconnect.
Note
: More than 2 alarm codes can be activated at the same time. Only the last code detected will be visible on
the RCL control module or on the STORM2 circuit board. After the source of the first alarm code is resolved, the
second code will appear, and so on until all the faults are cancelled and until the LED stops flashing.
Содержание CW-AR
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