Lennox LNINVC063 User Manual

58
Installation and Maintenance
Service Manual
24 PFC protection HC
Flash
6 times
every 3s
□ ■ ☆ ☆
During cooling
and drying
operation,
compressor and
outdoor fan stop
while indoor
fan operates.
During heating
operation, all
loads stop.
See 9.3
(diagnosis of PFC
protection)
Refer to
maintenance
owchart
25
Desynchronizing
of compressor
H7
Flash
7 times
every 3s
□ ☆ ■ ☆
During cooling
and drying
operation,
compressor and
outdoor fan stop
while indoor
fan operates.
During heating
operation, all
loads stop.
See 9.3
(diagnosis of
IPM protection,
desynchronizing
malfunction,
overcurrent
protection of
phase current of
compressor)
Refer to
maintenance
owchart
26 Failure startup Lc
Flash
11 times
every 3s
□ ☆ □ ☆
During cooling
and drying
operation,
compressor and
outdoor fan stop
while indoor
fan operates.
During heating
operation, all
loads stop.
See 9.3
(diagnosis of
failure startup)
Refer to
maintenance
owchart
27
Circuit
malfunction of
phase current
circuit detection
for compressor
U1
Flash
13 times
every 3s
□ ☆ ■ □
During cooling
and drying
operation,
compressor and
outdoor fan stop
while indoor
fan operates.
During heating
operation, all
loads stop.
Hardware
malfunction of
outdoor unit's
main board;
1. Replace
outdoor unit's
main board
AP1

Lennox LNINVC063 Specifications

General

Brand	Lennox
Model	LNINVC063
Category	Air Handlers
Language	English