54
1
ON
2 3 4 5 6
°C
Discharge superheat SHd
0 to 255
Cooling = TH4−T
63HS
Heating = TH4−T
63HS
0 to 255
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
0.1 A
Input current of outdoor unit
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
Pulse
Secondary LEV opening pulse
0 to 500
Heating: LEV-A
Cooling: LEV-B
0 to 500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
U9 error detail history (latest)
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
SW2 setting
1
ON
2 3 4 5 6
Display detail
Explanation for display
Unit
:
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Flow water temperature
0 to 100
2-phase pipe temperature
−39 to 88
Heating: TH6
Cooling: T
63HS
Outdoor heat sink temperature (TH8)
−40 to 200
0 to 100
:
:
:
−39 to 88
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
−40 to 200
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
(When the thermistor detects 100
:
or more,
hundreds digit, tens digit and ones digit are
displayed by turns.)
Outdoor outside temperature (TH7)
−39 to 88
−39 to 88
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
The black square (
■
) indicates a switch position.
2 cycles
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 16
3
's and 16
2
's, and
16
1
's and 16
0
's places.
(Example) When 5000 cycles;
0.5 s 0.5 s 2 s
C4
9
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L
1
-phase open error
Abnormal power synchronous signal
PFC/IGBT error (SW-V, SHW-V)
Undervoltage
•
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
Description
Display
00
01
02
04
08
20
Code
display
OCH651
