Mitsubishi Heavy Industries FDURA251 User Manual

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142
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10
Error display :
e28
[Directive remote controller thermistor.]
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
Detectivie remote controller PCB
Replacement (Detective re-
mote thermistor input circuit)
YES
NO
NO
YES
Detective remote controller
thermistor Replacement
Are characteristics of
remote controller therm-
istor OK or is there any
broken wire?
Is the remote controller
thermistor connector co-
nnection OK?
Correction
Temperrature(°C)
0
1
2
4
6
8
10
12
Resistance value (kΩ)
65
62
59
53
48
44
40
36
Temperrature(°C)
14
16
18
20
22
24
26
28
Temperrature(°C)
30
32
34
36
38
40
42
44
Temperrature(°C)
46
48
50
52
54
56
58
60
Resistance value (kΩ)
33
30
27
25
23
21
19
18
Resistance value (kΩ)
16
15
14
13
12
11
9.9
9.2
Resistance value (kΩ)
8.5
7.8
7.3
6.7
6.3
5.8
5.4
5.0
Resistance-temperature characteristic of remote controller thermister

Mitsubishi Heavy Industries FDURA251 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDURA251
Category	Air Conditioner
Language	English