Mitsubishi Electric PUD-SHWM100VAA, Руководство по обслуживанию

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56
OCH756
SW2 setting Display detail Explanation for display Unit
The 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 163's and 162's, and
161's and 160's places.)
Example: When 5000 cycles
0.5 s 0.5 s 2 s
2 cycles
The input current of outdoor unit
0 to 500
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
0.1 A
The LEV-B opening pulse
0 to 500
0 to 500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Pulse
The U9 error detail history (latest)
Description Display
Normal 00
Overvoltage error 01
Undervoltage error 02
Input current sensor error
L
1
-phase open error
04
Abnormal power synchronous signal 08
PFC error
(Overvoltage/Undervoltage/Overcurrent)
10
PFC/IGBT error (V-type)
Undervoltage
20
• 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
Code
display
The DC bus voltage
100 to 1023
100 to 1023
(When it is 100 V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
V
The communication demand capacity
0 to 255
0 to 255
When the communication demand is not set, “100” is
displayed.
%
The error postponement code history (2)
of outdoor unit
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
“00” is displayed in the case of no postponement.
Code
display
The error postponement code history (3)
of outdoor unit
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
“00” is displayed in the case of no postponement.
Code
display
The error history (3) (Oldest)
Alternate display of abnormal unit
number and code
When no error history, “0” and “– –“ are displayed by
turns.
Code
display
The error thermistor display
When there is no error thermistor,
“–“ is displayed.
3: Liquid pipe temperature (TH3),
Suction pipe temperature (TH32)
4: Discharge pipe temperature (TH4)
6: 2-phase pipe temperature (TH6)
7: Ambient temperature (TH7)
8: Heat sink temperature (TH8)
33: Comp. surface temperature (TH33)
Code
display
The operation frequency when the last
error occurred
0 to 255
0 to 255
(When it is 100 Hz or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
Example: When 125 Hz
0.5 s 0.5 s 2 s
Hz
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
The black square (
■
) indicates a switch position.
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
C4 9
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
25 1
1
ON
2 3 4 5 6