Page 5
6-5
#7031933 - Revision A - April, 2015
MODEL 424
MODEL 424
(SWS #3227000)
(SWS #3227000)
Troubleshooting Guides
Logged Temp.
Upper
Lower
TEMPERATURE PROBLEM DIAGNOSTIC WORKSHEET
Temperature Displayed:
Lower _________
Upper _________
Set-Point:
Lower _________
Upper _________
Diagnostic Mode Thermistor Readings:
EC
(Error Codes) _______________________________________
UE
(Upper Evap) ________
LE
(Lower Evap) ________
UP
(Upper Cmprt) ________
LO
(Lower Cmprt)________
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Index
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
Indicator Lit
(Circle below if present)
Logged Temp.
Upper
Lower
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Index
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
BELL ON
/
SERVICE
Indicator Lit
(Circle below if present)
