Mitsubishi Electric PUZ-WM112VAA, Руководство по обслуживанию

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56
OCH727
1
ON
2 3 4 5 6
°C
Discharge superheat SHd
0 to 255
Cooling = TH4−T
63HS
Heating = TH4−T
63HS
0 to 255
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
0.1 A
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.)
Pulse
Secondary LEV opening pulse
0 to 500
Heating: LEV-A
Cooling: LEV-B
0 to 500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
U9 error detail history (latest)
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
SW2 setting Display detail
Explanation for display Unit
1
ON
2 3 4 5 6
Outdoor heat sink temperature (TH8)
−40 to 200
:
−40 to 200
(When the temperature is 0
:
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.)
The black square (
■
) indicates a switch position.
2 cycles
Number of defrost cycles
0 to FFFE
0 to FFFE (in hexadecimal notation)
(When more than FF in hex (255 in decimal), the
number 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
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L
1
-phase open error
Abnormal power synchronous signal
PFC/IGBT error (W-VAA)
Undervoltage
•
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/IGBT error (20) = 24
Description Display
00
01
02
04
08
20
Code
display
DC bus voltage
180 to 370
180 to 370
(When it is 100 V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
V
1
ON
2 3 4 5 6
Code
display
Error postponement code history (2)
of outdoor unit
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
“00” is displayed in case of no postponement.
1
ON
2 3 4 5 6