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SW2 setting
Error history (3) (Oldest)
Faulty unit number and check code are
ON
displayed alternately.
1
2 3 4 5 6
Error thermistor display
When there is no error thermistor,
"–" is displayed.
ON
1
2 3 4 5 6
Operation frequency when error occurred.
0 to 225
ON
1
2 3 4 5 6
Fan step when error occurred.
ON
0 to 10
1
2 3 4 5 6
LEV-A opening pulse when error
occurred.
ON
0 to 500
1
2 3 4 5 6
Plate HEX liquid pipe temperature (TH6)
when error occurred.
ON
−39 to 88
1
2 3 4 5 6
Condensing temperature when error
occurred.
ON
−39 to 88
1
2 3 4 5 6
Water inlet temperature (TH32) when
ON
error occurred.
0 to 100
1
2 3 4 5 6
Ambient temperature (TH7) when error
occurred.
ON
−39 to 88
1
2 3 4 5 6
OCH562D
Display detail
41
The black square (
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: Heat sink thermistor (TH8)
4: Discharge thermistor (TH4)
3: Suction pipe thermistor (TH33)
34: Comp. surface thermistor (TH34)
0 to 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 s
0 to 10
0 to 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 s
−39 to 88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(Example) When –15°C;
0.5 s
−39 to 88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(Example) When –15°C;
0.5 s
0 to 100
−39 to 88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(Example) When −15°C;
0.5 s
■
) indicates a switch position.
0.5 s
2 s
1
05
0.5 s
2 s
1
30
0.5 s
2 s
15
0.5 s
2 s
15
0.5 s
2 s
15
Unit
Code
display
Code
display
Hz
Step
Pulse
:
:
:
:
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