Mitsubishi Electric PUZ-HA24NHA1, Service Manual

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75
OCH750A
SW2 setting Display detail Explanation for display
Unit
1
ON
2 3 4 5 6
%
Capacity save
0 to 100
When air conditioner is connected to
M-NET and capacity save mode is
demanded, a value from “0” to “100” is
displayed.
When there is no setting
of capacity save, “100” is
displayed.
0 to 100
(When the capacity is 100%, hundreds digit, tens
digit and ones digit are displayed by turns.)
Example: When 100%;
0.5 s 0.5 s 2 s
00 1
Code
display
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
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
Error history (3) (Oldest)
Alternate display of abnormal unit
number and code.
When no error history, “0” and “– –“ are displayed by
turns.
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
DC bus voltage
180 to 760
180 to 760
(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
1
ON
2 3 4 5 6
Error thermistor display
When there is no error thermistor,
“–“ is displayed.
Code
display
3: Liquid pipe temperature (TH3)
4: Discharge pipe temperature (TH4)
6: 2-phase pipe temperature (TH6)
7: Ambient temperature (TH7)
8: Heat sink temperature (TH8)
32: Suction pipe temperature (TH32)
34: Comp. surface temperature (TH33)
Operation frequency on error occurring
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
25 1
1
ON
2 3 4 5 6
Hz
Fan step on error occurring
0 to 10
0 to 10
1
ON
2 3 4 5 6
Step
The black square (■) indicates a switch position.