Lennox LNINVC063 User Manual

64
Installation and Maintenance
Service Manual
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.
3. Malfunction of Protection of Jumper Cap C5
Main detection points:
●
MalfunctionIs there jumper cap on the mainboard?
●
Is the jumper cap inserted correctly and tightly?
●
The jumper is broken?
●
Detectioncircuit of the mainboard isdened abnormal?
Malfunction diagnosis process:

Lennox LNINVC063 Specifications

General

Brand	Lennox
Model	LNINVC063
Category	Air Handlers
Language	English