24
7.3.3 ERROR 3 - Compressor discharge
temperature sensor failure
Correctly connect
the sensor to the
board
Replace
sensor
Replace card
ERROR 3
Compressor discharge
temperature sensor fault
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
7.3.4 ERROR 4 - Compressor current protection
Winding
U-V
V-W
W-U
Dimension
(AWG / mm
2
)
mm
(inch)
Ø 0.4
(0
.
015”)
Ø 0.4
(0
.
015”)
Ø 0.4
(0
.
01
5"
Type
MW30-C
MW30-C
MW30-C
Turns
--
--
--
Volts
--
--
--
Amps
--
--
--
Dc resistance
(Ω) ± 10%
Ω/°C
8.2 /20
8.2 /20
8.2 /20
Replace IPM
card
Check the impedance
of the windings
ERROR 4
Compressor current
protection
Check
absorption.
Does it exceed
16A?
NO
YES
Check
compressor
connections
U-V-W
.
Are
they correct
?
The values are
correct
?
YES
YES
YES
Correct the
connections
NO
Replace
compressor
NO