Mitsubishi Electric PUH-P8YE Technical & Service Manual page 52

<Indoor/outdoor connection wire erroneous wiring and open symptoms>
Erroneous wiring contents
Outdoor Indoor
side side
S1 S1
S2
S2
S3 S3
Outdoor Indoor
side side
S1 S1
S2 S2
S3 S3
Outdoor Indoor
side side
S1 S1
S2 S2
S3 S3
Outdoor Indoor
side side
S1 S1
S2 S2
S3 S3
Outdoor Indoor
side side
S1 S1
S2 S2
S3 S3
Outdoor Indoor
side side
S1 S1
S2 S2
S3 S3
Outdoor Indoor
side side
S1 S1
S2 S2
S3 S3
Outdoor Indoor
side side
S1 S1
S2 S2
S3 S3
Outdoor Indoor
side side
S1 S1
S2 S2
S3 S3
Remote controller
Condition
display
Trial run " " Power
(relocation) supply mark
Trial run No display
relocation No display
Trial run No display
relocation Eb
Trial run No display
relocation No display
Trial run No display
relocation No display
Trial run No display
relocation No display
Trial run No display
relocation No display
Trial run No display
relocation No display
Trial run No display
relocation Eb
Indoor controller board
LED display
LED1 LED2 LED3
On On Flashing
Off Off Off
Off Off Off
On Off Off
On
On Off
Off Off Off
Off Off Off
On Off Off
Off Off Off
On Off Off
Off Off Off
Off Off Off
Off Off Off
Off Off Off
Off Off Off
On Off Off
On On Off
–50–
Outdoor controller
Remarks
board LED display
Normal
OO
wiring
EA
(after 4 minutes)
Eb
(after 4 minutes)
EA
(after 4 minutes)
Eb
(after 4 minutes)
EA
(after 4 minutes)
Eb
(after 4 minutes)
EA
(after 4 minutes)
Eb
(after 4 minutes)
EA
(after 4 minutes)
Eb
(after 4 minutes)
EA
(after 4 minutes)
Open
between S1
Eb
(after 4 minutes)
EA
(after 4 minutes)
Open
between S2
Eb
(after 4 minutes)
EA
(after 4 minutes)
Open
between S3
Eb
(after 4 minutes)