Friedrich MRM09Y1J Service & Parts Manual

102 PB
TROUBLESHOOTING
Diagnosis of losing synchronism for compressor
Is pressure of the system too high?
Is voltage too low?
Y
N
N
N
Y
Y
Y
N
Y
N
N
Y
Y
N
N
Y
Adjust
connecting wire
Losing synchronism
the unit
upon startup of
Is the stop time
than 3min
of compressor more
well connected?
Replace parts
of outdoor
Is wire of compressor
electric box
Remove error?
Replace
compressor
Finish
during running
Losing synchronism
Is outdoor fan normal?
Is outdoor fan
stu?
blocked by
of outdoor
Replace parts
electric box
Remove error?
Replace
compressor
Finish
connected?
Is fan well
Remove
stu
Reliable
connected?
of outdoor
Replace parts
electric box
Remove error?
Replace
outdoor fan

Friedrich MRM09Y1J Specifications

General

Brand	Friedrich
Model	MRM09Y1J
Category	Air Conditioner
Language	English