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ELECTRIC CHARACTER
TROUBLESHOOTING GUIDE
[table 1] Sensor, temp. outdoor
Temp.(°C)
Resistance(kΩ)
0
31
5
24
10
19
15
15
20
12
25
10
30
8.2
35
6.7
40
5.5
45
4.6
50
3.8
55
3.2
[table 2] Sensor, temp. defrost
Sensor, temp. suction
Temp.(°C)
Resistance(kΩ)
0
29
5
23
10
19
15
15
20
12
25
10
30
8.3
35
6.9
40
5.7
45
4.8
50
4.1
55
3.4
[table 3] Sensor, temp. outgoing
and return circulating water
[table 4] Sensor, temp. discharge
Temp.(°C)
Resistance(kΩ)
0
25
10
16
20
10
30
7.0
40
4.9
50
3.5
60
2.5
Temp.(°C)
Resistance(kΩ)
10
100
20
64
35
33
40
27
50
18
80
6.4
• For a unit display board
Press and hold the PUMP SW. and RESET SW. at the same time for 5 seconds to display a past error code and its
sequence number.
The PUMP SW. can then be used to select between a maximum of 8 past error codes to display. (If there are no er-
ror codes, “ - - ” is displayed.)
1. Display method
2. Display cancellation
• For a unit display board
While an error code is being displayed, press and hold the PUMP SW. and RESET SW. at the same time for 5 sec-
onds to cancel the error code display and turn off the display.
Alternatively, if no operations are performed for 5 minutes, the error code display is automatically cancelled and
the display turned off.
While an error code is being displayed, press and hold the reset switch for 10 seconds or more to delete all past
error codes. The display turns to “ - - ”.
DISPLAY OF ERRORS IN THE PAST