Mitsubishi Electric PUZ-M200YKA Service Manual page 76

SW2 setting
Indoor setting temperature
ON
17 to 30
1 2 3 4 5 6
Outdoor pipe temperature/2-phase (TH6)
ON
−60 to 91
1 2 3 4 5 6
Outdoor Ambient temperature (TH7)
ON
−60 to 91
1 2 3 4 5 6
Outdoor Heat sink temperature (TH8)
−40 to 200
ON
1 2 3 4 5 6
Discharge superheat SHd
0 to 255
ON
Cooling = TH4−TH6
Heating = TH4−TH5
1 2 3 4 5 6
Number of defrost cycles
0 to FFFE
ON
1 2 3 4 5 6
Input current of outdoor unit
ON
1 2 3 4 5 6
LEV-B opening pulse
ON
1 2 3 4 5 6
U9 error detail history (latest)
ON
1 2 3 4 5 6
OCH737
Display detail
The black square ( ) indicates a switch position.
Explanation for display
17 to 30
−60 to 91
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
−60 to 91
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
−40 to 200
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(When the thermistor detects 100: or more,
hundreds digit, tens digit and ones digit are displayed
by turns.)
0 to 255
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
0 to FFFE (in hexadecimal notation)
(When more than FF in hex (255 in decimal), the
number is displayed in order of 16
16 's and 16 's places.
1 0
(Example) When 5000 cycles;
0.5 s
9
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
0 to 480
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Description
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L -phase open error
1
Abnormal power synchronous signal
PFC/IGBT error (ZM·VKA)
Undervoltage
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
L phase open error (04) + PFC/IGBT error (20) = 24
1
76
's and 16 's, and
3 2
2 cycles
0.5 s 2 s
C4
Display
00
01
02
04
08
20
display
Unit
°C
°C
°C
°C
°C
0.1 A
Pulse
Code