The Compressor Exhaust Temperature Sensor Connect Loose; The Compressor Exhaust Temperature Sensor Is Failure - Westinghouse WHP09WMA21S Service Manual

9
★
10 x
x
11
12
x
13
★ ★
14
15 x
★
16 x
★
17 x
★
18 x
Maximum
current
protection
Communication
trouble
x between
outdoor unit
and driver
Outdoor
x
EEPROM in
trouble
Outdoor
ambient
temperature
too low
protection
Compressor
exhaust
★
temperature
too high
protection
Outdoor
ambient
temperature
sensor in
trouble
Compressor
shell
★
temperature
too high
protection
Anti-freeze
protection with
cooling or
★
overload
protection with
heating in
x PFC protection
DC compressor
★
start failure
a. The outdoor control board is short
circuit;
b. The drive board is short circuit;
c. The other components is short
circuit
a. The connection wires connect
loose
b. The outdoor board or drive
board is failure;
a. The EEPROM chip is loose;
b. The EEPROM chip inserted with
opposite direction;
c. The EEPROM chip is failure
Outdoor ambient temperature too
low
a. The compressor exhaust
temperature sensor is failure;
b. The refrigerant of the unit is not
enough
a. The outdoor ambient temperature
sensor connect loose;
b. The outdoor ambient temperature
sensor is failure;
c. The outdoor control board is
failure
a. The compressor exhaust
temperature sensor connect loose
b. The refrigerant of the unit is not
enough
a. The indoor coil temperature
sensor connect loose;
b. The indoor coil temperature
sensor is failure;
c. The indoor control board is failure
d. The refrigerant system is
abnormal.
a. The PFC is failure;
b. The outdoor drive board is failure
a. The outdoor drive board is failure;
b. The compressor is failure
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