Friedrich FSHW363 Single Zone with 36000 BTUs, Heat Pump, Low Ambient Operation, 4 Fan Speeds,

Service and Parts Manual - Page 128

For FSHW363.

PDF File Manual, 171 pages, Read Online | Download pdf file

FSHW363 photo
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128
TROUBLESHOOTING
Temperature sensor malfunction
Is outdoor ambient temperature within the normal range?
Is indoor and outdoor fan running normally?
Is the radiating environment inside and outside the unit good enough?
Y
Y
N
N
Y
N
N
Y
Y
N
N
N
Y
Y
Y
it
unit and start
Energize the
Indoor unit
Indoor unit
display F1/F2
display F4/F5
Reliable
connected?
Replace
Check connecting state of
outdoor temperature sensor
Tesmepnesroar
ture Sensor
Remove error?
Replace parts
electric box
of outdoor
Check connecting
temperature
state of indoor
sensor
Adjust
Remove error?
connecting state
reliable
connected?
Replace
temperature
Remove error?
sensor
Replace main
Adjust
boarudn iotf in door
connecting state
Finish
Remove error?
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