Mitsubishi Electric PUY-A12NKA7, Service Manual

Page: 79 / 120

79
SW2 setting Display detail Explanation for display Unit
1
ON
2 3 4 5 6
Indoor setting temperature
62 to 86
62 to 86 [17 to 30
:
]
˚F
[
:
]
1
ON
2 3 4 5 6
Outdoor pipe temperature/2-phase
pipe (TH6)
−58 to 194
−58 to 194 [−50 to 90
:
]
(When the temperature is 0˚F or less, “–” and
temperature are displayed by turns.)
˚F
[
:
]
1
ON
2 3 4 5 6
Outdoor outside temperature
(TH7)
−58 to 194
−58 to 194 [−50 to 90
:
]
(When the temperature is 0˚F or less, “–” and
temperature are displayed by turns.)
˚F
[
:
]
1
ON
2 3 4 5 6
Outdoor heat sink temperature
(TH8)
−40 to 327
−40 to 327 [−40 to 164
:
]
(When the temperature is 0˚F or less, “–” and
temperature are displayed by turns.)
(When the thermistor detects 100˚F or more,
hundreds digit, tens digit and ones digit are
displayed by turns.)
˚F
[
:
]
1
ON
2 3 4 5 6
Discharge superheat. SHd
32 to 360
Cooling = TH4 or TH33−TH6
Heating = TH4 or TH33−TH5
32 to 360 [0 to 182
:
]
(When the temperature is 100˚F or more, hundreds digit,
tens digit and ones digit are displayed
by turns.)
˚F
[
:
]
1
ON
2 3 4 5 6
Number of defrost cycles
0 to FFFE
0 to FFFE (in hexadecimal notation)
(When more than FF in hex (255 in decimal), the num-
ber is displayed in order of 16
3
's and 16
2
's, and 16
1
's and
16
0
's places.
(Example) When 5000 cycles;
0.5 s 0.5 s 2 s
C4 9
2 cycles
1
ON
2 3 4 5 6
Input current of outdoor unit 0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
0.1 A
1
ON
2 3 4 5 6
LEV-B opening pulse 0 to 480
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Pulse
1
ON
2 3 4 5 6
U9 error detail history (latest)
Code
display
The black square (
■
) indicates a switch position.
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L
1
-phase open error
Abnormal power synchronous signal
PFC error
(Overvoltage / Undervoltage / Overcurrent)
* Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
L
1
phase open error (04) + PFC error (10) = 14
Description Display
00
01
02
04
08
10
OCH636A