
Error
code
Message
Description
H02.60
Unsupported function
The zone doesn't support the selected function
H06.01
HP Unit Failure
Heat Pump Unit Failure occured
Heat pump outdoor unit fault
Check the wiring between the central unit PCB and the communication bus on the
outdoor unit.
Check the connection of the communication cable between the central unit PCB and
the interface PCB.
Check the connection of the supply cable between the central unit PCB and the in
terface PCB.
Check the connection of the outdoor unit supply cable.
11.2.2 Fault codes
If a fault code is still present after several automatic start-up attempts, the
heat pump switches to error mode.
The heat pump will only resume normal operation once the causes of the
fault have been eliminated by the installer.
As a result of:
a manual reset,
a reset by a maintenance message.
Tab.79 List of fault codes
Error
code
Message
Description
E00.00
TFlow Open
Flow temperature sensor is either removed or measures a temperature below range
E00.01
Flow temp sensor
shorted or above range
Flow temperature sensor is either shorted or measures a temperature above range
E02.13
Blocking Input
Blocking Input of the Control Unit from device external environment
Input BL open.
Check the wiring.
Check the component connected to the BL. contact
Check the component connected to the AP001 and AP100. contact
E02.24
System flow locking
active
System water flow locking active
Insufficient flow: open a radiator valve
The circuit is clogged:
Check that the filters are not obstructed and clean them if necessary.
Clean and flush the installation.
No circulation:
Check that the valves and thermostatic valves are open.
Check that the filters are not obstructed.
Check that the circulating pump is working.
Check the wiring.
Check the pump supply: if the pump does not work, replace it.
Too much air
Completely vent the indoor module and the installation for optimum running.
Check that the automatic air vents are properly open (also check the hydroblock).
Completely vent the indoor module and the installation for optimum running.
Incorrect wiring: check the electrical connections.
Flow meter:
Check the electrical connections and the direction of the flow meter (arrow to the
right).
Replace the flow meter if necessary.
11 Troubleshooting
7706696 - v04 - 11102018
AWHP-2 PBS-i
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