23
MAESTRO PRO INVERTER
7.3
IPM board alarms
7.3.1 ERROR 1 - Outside air temperature sensor
failure
Connect the
sensor to the
board correctly
Replace
sensor
Replace card
ERROR 1
Outdoor air sensor failure
Is the sensor
properly
connected?
NO
YES
Are
the values
correct with
respect to
the table?
NO
YES
Check the Omh
values of the sensor
7.3.2 ERROR 2 -
Outdoor
coil
temperature
sensor fault
Connect
the sensor to the
board correctly
Replace
sensor
Replace card
ERROR 2
O
utdoor
coil
temperature
sensor failure
The
sensor
is it properly
connected?
NO
YES
Are
the values
correct with
respect to
the table?
NO
YES
Check the Omh
values of the sensor