Mitsubishi Electric PUHZ-SW75VHA Service Manual page 61

SW2 setting
DC bus voltage
180 – 370 (SW75/100/120V)
ON
300 – 750 (SW100/120Y)
1 2 3 4 5 6
Error postponement code history (2)
of outdoor unit
ON
1 2 3 4 5 6
Error postponement code history (3)
of outdoor unit
ON
1 2 3 4 5 6
Error code history (3) (Oldest)
Alternate display of abnormal unit
ON
number and code.
1 2 3 4 5 6
Error thermistor display
When there is no error thermistor,
ON
"–" is displayed.
1 2 3 4 5 6
Operation frequency on error occurring
0 – 255
ON
1 2 3 4 5 6
Fan step on error occurring
0 – 10
ON
1 2 3 4 5 6
OCH533A
Display detail
61
The black square ( ) indicates a switch position.
Explanation for display
180 – 370 (SW75/100/120V)
300 – 750 (SW100/120Y)
(When it is 100V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
"00" is displayed in case of no postponement.
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
"00" is displayed in case of no postponement.
When no error history, "0" and "– –" are displayed by
turns.
3: Outdoor pipe temperature/Liquid (TH3)
4: Discharge thermistor (TH4)
6: 2-phase pipe (TH6)
7: Ambient temperature (TH7)
8: Outdoor heatsink (TH8)
34: Comp. surface thermistor (TH34)
0 – 255
(When it is 100Hz or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
(Example) When 125Hz;
0.5 secs.
0 – 10
0.5secs. 2 secs.
1 25
Unit
V
Code
display
Code
display
Code
display
Code
display
Hz
Step