Mitsubishi Electric PUHZ-W85VHA2 Service Manual page 37

SW2 setting
Error code history (3) (Oldest)
Faulty unit number and error code are
displayed alternately.
ON
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 when error occurred.
0~225
ON
1 2 3 4 5 6
Fan step when error occurred.
ON
0~10
1 2 3 4 5 6
LEV-A opening pulse when error
occurred.
ON
0~500
1 2 3 4 5 6
Plate HEX liquid pipe temperature (TH6)
when error occurred.
ON
-39~88
1 2 3 4 5 6
Condensing temperature when error
ON
occurred.
-39~88
1 2 3 4 5 6
Water inlet temperature (TH32) when
ON
error occurred.
0~100
1 2 3 4 5 6
Ambient temperature (TH7) when error
occurred.
ON
-39~88
1 2 3 4 5 6
Display detail
37
Explanation for display
When no error history, "0" and "– –" are displayed by
turns.
3: Liquid pipe thermistor (TH3)
3: Water inlet temp. thermistor (TH32)
6: Plate HEX liquid pipe thermistor (TH6)
7: Ambient temp. thermistor (TH7)
8: Heatsink thermistor (TH8)
4: Discharge thermistor (TH4)
33: Comp. shell thermistor (TH33)
0~225
(When it is 100 Hz or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
(Example) When 105 Hz;
0.5 secs.
0~10
0~500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 130 pulse;
0.5 secs.
-39~88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(Example) When –15°C;
0.5 secs.
-39~88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(Example) When –15°C;
0.5 secs.
0~100
-39~88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(Example) When –15°C;
0.5 secs.
0.5 secs. 2 secs.
1 05
0.5 secs. 2 secs.
1 30
0.5 secs. 2 secs.
15
0.5 secs. 2 secs.
15
0.5 secs. 2 secs.
15
Unit
Code
display
Code
display
Hz
Step
Pulse
:
:
:
: