Error
code
Message
Description
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.
12.2.2 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.74 List of fault codes
Fault
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
12 Troubleshooting
110
AWHP-2 iMPI
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