Serial Number / Industrial Code Explanation - Hotpoint Aquarius WD420P Service Information

MANUFACTURING DATE CODE REFERENCE CHART
1986
1994
2002
Jan
01
Feb
02
March
03
April
04
May
05
June
06
July
07
Aug
08
Sept
09
Oct
10
Nov
11
Dec
12
First 2 digits of the serial number indicate production date
Date Code 27 120054

SERIAL NUMBER / INDUSTRIAL CODE EXPLANATION

Serial Number Example
3 10 02 0895
Industrial Code Example
37 24455 0010
1987 1988
1995 1996
2003 2004
13 25
14 26
15 27
16 28
17 29
18 30
19 31
20 32
21 33
22 34
23 35
24 36
Four remaining digits = Build number that day 895
Third two digits = Day of manufacture 2
Second two digits = Month of manufacture October
First digit = Year of manufacture 2003
Last four digits = 0000 original production.
Other numbers denote major production changes
Second five digits = COMMERCIAL CODE*
* Vital for correct model information and system identification
First two digits = Factory of origin
1989 1990
1997 1998
2005 2006
37 49
38 50
39 51
40 52
41 53
42 54
43 55
44 56
45 57
46 58
47 59
48 60
This example shows that the machine was
manufactured in MARCH 2004.
3
1991 1992
1999 2000
2007 2008
61 73
62 74
63 75
64 76
65 77
66 78
67 79
68 80
69 81
70 82
71 83
72 84
th
built
nd
of month
1993
2001
2009
85
86
87
88
89
90
91
92
93
94
95
96