Friedrich MRM09Y1J Service Manual

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Installation and Maintenance
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Appearance of
the jumper cap
Troubleshooting for C5
malfunction
Is there jumper cap on the
mainboard ?
Is
the jumper cap inserted
correctly and
tightly
?
Replace the jumper cap
with the same model
End
yes
yes
Assemble the jumper
cap with the same
model
no
Is malfunction
eliminated
no
yes
Insert the
jumper cap
tightly
Is malfunction
eliminated
no
no yes
Is malfunction
eliminated
no
yes
Replace the mainboard
with the same model.

Friedrich MRM09Y1J Specifications

General

Brand	Friedrich
Model	MRM09Y1J
Category	Air Conditioner
Language	English