DeDietrich AWHP MIT-IN iSystem User Manual page 25

AWHP MIT-IN iSystem
Code Messages
B09 BL.BL INPUT OPEN
B10 BL.GROUP.EXT.
B11 BL.COM SCU
B12 BL.WATER MIS.
B13 BL.DHW. S.
B14 BL.OUTSIDE.S
B17 BL.PCU ERROR
B18 BL.BAD PSU
B19 BL.NO CONFIG
B39 BL.FLOW
B40 BL.FLOW.STOP
M04 REVISION
M05 REVISION A
M06 REVISION B
M07 REVISION C
FL.DRY.B XX DAYS
FL.DRY.C XX DAYS
FL.DRY.B+C XX
DAYS
M23 CHANGE OUTSI.S
STOP N XX
06/09/2012 - 300027618-001-01
Description
The BL inlet on the PCU PCB
terminal block is open. Antifreeze
protection.
Failure outside unit.
Communication error with the
SCU PCB.
The water pressure is lower than
0,5 bar
The DHW tank sensor is
disconnected or short circuited
The outside temperature sensor is
disconnected or short circuited.
The parameters saved on the
PCU PCB are impaired.
The PSU PCB is not recognised
The inside module has not been
configured.
Low flow rate.
Flow rate fault.
A service is required.
An A, B or C service is required.
Floor drying is active.
XX DAYS = Number of days' floor
drying remaining.
The outside temperature sensor is
defective.
The shutdown is active.
XX = Number of the active
shutdown.
Checking / solution
The contact connected to the BL inlet is open.
Contact the professional who takes care of
4
maintenance of the appliance.
Parameter error.
Contact the professional who takes care of
4
maintenance of the appliance.
Bad connection.
Contact the professional who takes care of
4
maintenance of the appliance.
Contact the professional who takes care of
4
maintenance of the appliance.
Contact the professional who takes care of
4
maintenance of the appliance.
Not enough water in the circuit.
Top up the installation with water.
4
Bad connection.
Contact the professional who takes care of
4
maintenance of the appliance.
Bad connection.
Contact the professional who takes care of
4
maintenance of the appliance.
Parameter error on the PCU PCB.
Contact the professional who takes care of
4
maintenance of the appliance.
Wrong PSU PCB for this heat pump.
Contact the professional who takes care of
4
maintenance of the appliance.
The PSU PCB has been changed.
Contact the professional who takes care of
4
maintenance of the appliance.
Contact the professional who takes care of
4
maintenance of the appliance.
Contact the professional who takes care of
4
maintenance of the appliance.
The date programmed for the service has been reached.
Service the heat pump.
4
To clear the inspection, programme another date in the
4
menu #REVISION or set the parameter REVISION
TYPE to OFF.
The date programmed for the service has been reached.
Service the heat pump.
4
To clear the inspection, press key t.
4
Floor drying is underway. Heating on the circuits not
concerned is shut down.
Wait for the number of days shown to change to 0.
4
Set the parameter SCREED DRYING to OFF.
4
Change the outside radio temperature sensor.
A shutdown is underway. The circuits selected for this stop
are in Antifreeze mode during the period chosen.
Wait until the end date has been passed.
4
Set the parameter STOP N XX to OFF.
4
5. Troubleshooting
24